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Finding the Fourth Proportional to 3,502.55, 5,253.93 and 1,654.54

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Solution

The fourth proportional to 3,502.55, 5,253.93 and 1,654.54 is: 2,481.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,502.55 : 5,253.93 = 1,654.54 : x
  2. Step 2: Convert to fraction form
    3,502.55/5,253.93 = 1,654.54/x
  3. Step 3: Cross multiply
    3,502.55x = 5,253.93 × 1,654.54
  4. Step 4: Simplify right side
    3,502.55x = 8,692,824.21
  5. Step 5: Solve for x
    x = 8,692,824.21/3,502.55
  6. Step 6: Final answer
    x = 2,481.85

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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.