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Finding the Fourth Proportional to 3,200.62, 4,801.58 and 1,351.74

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Solution

The fourth proportional to 3,200.62, 4,801.58 and 1,351.74 is: 2,027.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,200.62 : 4,801.58 = 1,351.74 : x
  2. Step 2: Convert to fraction form
    3,200.62/4,801.58 = 1,351.74/x
  3. Step 3: Cross multiply
    3,200.62x = 4,801.58 × 1,351.74
  4. Step 4: Simplify right side
    3,200.62x = 6,490,487.75
  5. Step 5: Solve for x
    x = 6,490,487.75/3,200.62
  6. Step 6: Final answer
    x = 2,027.88

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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.