Home / 3,542.12-4,887.14-2,124.92

Finding the Fourth Proportional to 3,542.12, 4,887.14 and 2,124.92

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Solution

The fourth proportional to 3,542.12, 4,887.14 and 2,124.92 is: 2,931.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,542.12 : 4,887.14 = 2,124.92 : x
  2. Step 2: Convert to fraction form
    3,542.12/4,887.14 = 2,124.92/x
  3. Step 3: Cross multiply
    3,542.12x = 4,887.14 × 2,124.92
  4. Step 4: Simplify right side
    3,542.12x = 10,384,781.53
  5. Step 5: Solve for x
    x = 10,384,781.53/3,542.12
  6. Step 6: Final answer
    x = 2,931.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.