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Finding the Fourth Proportional to 3,253.72, 4,877.87 and 1,404.59

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Solution

The fourth proportional to 3,253.72, 4,877.87 and 1,404.59 is: 2,105.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,253.72 : 4,877.87 = 1,404.59 : x
  2. Step 2: Convert to fraction form
    3,253.72/4,877.87 = 1,404.59/x
  3. Step 3: Cross multiply
    3,253.72x = 4,877.87 × 1,404.59
  4. Step 4: Simplify right side
    3,253.72x = 6,851,411.35
  5. Step 5: Solve for x
    x = 6,851,411.35/3,253.72
  6. Step 6: Final answer
    x = 2,105.72

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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.