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Finding the Fourth Proportional to 3,604.68, 5,410.05 and 1,414.94

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Solution

The fourth proportional to 3,604.68, 5,410.05 and 1,414.94 is: 2,123.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,604.68 : 5,410.05 = 1,414.94 : x
  2. Step 2: Convert to fraction form
    3,604.68/5,410.05 = 1,414.94/x
  3. Step 3: Cross multiply
    3,604.68x = 5,410.05 × 1,414.94
  4. Step 4: Simplify right side
    3,604.68x = 7,654,896.15
  5. Step 5: Solve for x
    x = 7,654,896.15/3,604.68
  6. Step 6: Final answer
    x = 2,123.60

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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.