Home / 3,432.78-5,149.38-1,352.58

Finding the Fourth Proportional to 3,432.78, 5,149.38 and 1,352.58

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Solution

The fourth proportional to 3,432.78, 5,149.38 and 1,352.58 is: 2,028.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.78 : 5,149.38 = 1,352.58 : x
  2. Step 2: Convert to fraction form
    3,432.78/5,149.38 = 1,352.58/x
  3. Step 3: Cross multiply
    3,432.78x = 5,149.38 × 1,352.58
  4. Step 4: Simplify right side
    3,432.78x = 6,964,948.40
  5. Step 5: Solve for x
    x = 6,964,948.40/3,432.78
  6. Step 6: Final answer
    x = 2,028.95

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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.