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Finding the Fourth Proportional to 2,277.52, 3,416.29 and 634.21

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Solution

The fourth proportional to 2,277.52, 3,416.29 and 634.21 is: 951.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,277.52 : 3,416.29 = 634.21 : x
  2. Step 2: Convert to fraction form
    2,277.52/3,416.29 = 634.21/x
  3. Step 3: Cross multiply
    2,277.52x = 3,416.29 × 634.21
  4. Step 4: Simplify right side
    2,277.52x = 2,166,635.15
  5. Step 5: Solve for x
    x = 2,166,635.15/2,277.52
  6. Step 6: Final answer
    x = 951.31

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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.