Home / 3,517.92-5,275.60-1,542.19

Finding the Fourth Proportional to 3,517.92, 5,275.60 and 1,542.19

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Solution

The fourth proportional to 3,517.92, 5,275.60 and 1,542.19 is: 2,312.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,517.92 : 5,275.60 = 1,542.19 : x
  2. Step 2: Convert to fraction form
    3,517.92/5,275.60 = 1,542.19/x
  3. Step 3: Cross multiply
    3,517.92x = 5,275.60 × 1,542.19
  4. Step 4: Simplify right side
    3,517.92x = 8,135,969.85
  5. Step 5: Solve for x
    x = 8,135,969.85/3,517.92
  6. Step 6: Final answer
    x = 2,312.72

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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.