Home / 3,432.52-5,140.58-2,612.39

Finding the Fourth Proportional to 3,432.52, 5,140.58 and 2,612.39

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Solution

The fourth proportional to 3,432.52, 5,140.58 and 2,612.39 is: 3,912.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.52 : 5,140.58 = 2,612.39 : x
  2. Step 2: Convert to fraction form
    3,432.52/5,140.58 = 2,612.39/x
  3. Step 3: Cross multiply
    3,432.52x = 5,140.58 × 2,612.39
  4. Step 4: Simplify right side
    3,432.52x = 13,429,199.58
  5. Step 5: Solve for x
    x = 13,429,199.58/3,432.52
  6. Step 6: Final answer
    x = 3,912.35

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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.