## Geometry: Common Core (15th Edition)

As these two pairs are similar, we can turn their lengths into proportions and set them equal to each other. $\frac{2}{4}$ = $\frac{x}{3}$ To solve for x, we can now cross multiply: 4x = 2 x 3 4x = 6 x = (6 $\div$ 4) x = $\frac{6}{4}$ = $\frac{3}{2}$ = 1.5