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Finding the Fourth Proportional to 3,398.22, 5,098.50 and 1,753.92

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Solution

The fourth proportional to 3,398.22, 5,098.50 and 1,753.92 is: 2,631.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,398.22 : 5,098.50 = 1,753.92 : x
  2. Step 2: Convert to fraction form
    3,398.22/5,098.50 = 1,753.92/x
  3. Step 3: Cross multiply
    3,398.22x = 5,098.50 × 1,753.92
  4. Step 4: Simplify right side
    3,398.22x = 8,942,361.12
  5. Step 5: Solve for x
    x = 8,942,361.12/3,398.22
  6. Step 6: Final answer
    x = 2,631.48

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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.