Home / 3,432.72-5,149.20-1,241.52

Finding the Fourth Proportional to 3,432.72, 5,149.20 and 1,241.52

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Solution

The fourth proportional to 3,432.72, 5,149.20 and 1,241.52 is: 1,862.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.72 : 5,149.20 = 1,241.52 : x
  2. Step 2: Convert to fraction form
    3,432.72/5,149.20 = 1,241.52/x
  3. Step 3: Cross multiply
    3,432.72x = 5,149.20 × 1,241.52
  4. Step 4: Simplify right side
    3,432.72x = 6,392,834.78
  5. Step 5: Solve for x
    x = 6,392,834.78/3,432.72
  6. Step 6: Final answer
    x = 1,862.32

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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.