Home / 1,624-3,859

Finding the Third Proportional to 1,624 and 3,859

Calculator

Solution

The third proportional to 1,624 and 3,859 is: 9,169.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,624 : 3,859 = 3,859 : x
  2. Step 2: Convert to fraction form
    1,624/3,859 = 3,859/x
  3. Step 3: Cross multiply
    1,624x = 3,859 × 3,859
  4. Step 4: Simplify right side
    1,624x = 14,891,881
  5. Step 5: Solve for x
    x = 14,891,881/1,624
  6. Step 6: Final answer
    x = 9,169.88

Related Problems

Find third proportional to 812 and 1,929.50
Half scale
Find third proportional to 3,248 and 7,718
Double scale
Find third proportional to 1,626 and 3,864
Similar ratio
Find third proportional to 2,436 and 5,788.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.