Ratios of Directed Line Segments Calculator

Find the point dividing a segment in a given ratio (section formula).

x 4
y 2

Formula: P = ((m·x₂ + n·x₁)/(m+n), (m·y₂ + n·y₁)/(m+n))

Step-by-step with your numbers:
1. Values used:
2. x₁ = 0
3. y₁ = 0
4. x₂ = 10
5. y₂ = 5
6. Ratio m = 2
7. Ratio n = 3
8.
9. x = 4
10. y = 2
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The section formula finds the point that divides a segment internally in the ratio m : n.

The math behind it

The dividing point is the weighted average of the endpoints: P = (m·B + n·A) ÷ (m + n).

Worked example

From (0,0) to (10,5) in ratio 2:3 → (4, 2).

FAQ

What does a 1:1 ratio give?

The midpoint of the segment.