Home / 3,622.79-5,435.17-1,542.92

Finding the Fourth Proportional to 3,622.79, 5,435.17 and 1,542.92

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Solution

The fourth proportional to 3,622.79, 5,435.17 and 1,542.92 is: 2,314.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622.79 : 5,435.17 = 1,542.92 : x
  2. Step 2: Convert to fraction form
    3,622.79/5,435.17 = 1,542.92/x
  3. Step 3: Cross multiply
    3,622.79x = 5,435.17 × 1,542.92
  4. Step 4: Simplify right side
    3,622.79x = 8,386,001.46
  5. Step 5: Solve for x
    x = 8,386,001.46/3,622.79
  6. Step 6: Final answer
    x = 2,314.79

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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.