Home / 937-1,406.10-424

Finding the Fourth Proportional to 937, 1,406.10 and 424

Calculator

Solution

The fourth proportional to 937, 1,406.10 and 424 is: 636.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    937 : 1,406.10 = 424 : x
  2. Step 2: Convert to fraction form
    937/1,406.10 = 424/x
  3. Step 3: Cross multiply
    937x = 1,406.10 × 424
  4. Step 4: Simplify right side
    937x = 596,186.40
  5. Step 5: Solve for x
    x = 596,186.40/937
  6. Step 6: Final answer
    x = 636.27

Related Problems

Find fourth proportional to 468.50, 703.05 and 212
Half scale
Find fourth proportional to 1,874, 2,812.20 and 848
Double scale
Find fourth proportional to 938, 1,407.60 and 425
Similar ratio
Find fourth proportional to 1,405.50, 2,109.15 and 636
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.