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Finding the Fourth Proportional to 3,737.96, 5,607.56 and 1,398.79

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Solution

The fourth proportional to 3,737.96, 5,607.56 and 1,398.79 is: 2,098.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,737.96 : 5,607.56 = 1,398.79 : x
  2. Step 2: Convert to fraction form
    3,737.96/5,607.56 = 1,398.79/x
  3. Step 3: Cross multiply
    3,737.96x = 5,607.56 × 1,398.79
  4. Step 4: Simplify right side
    3,737.96x = 7,843,777.82
  5. Step 5: Solve for x
    x = 7,843,777.82/3,737.96
  6. Step 6: Final answer
    x = 2,098.41

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1.5x scale

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.