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Finding the Fourth Proportional to 1,634.76, 2,451.92 and 464.85

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Solution

The fourth proportional to 1,634.76, 2,451.92 and 464.85 is: 697.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,634.76 : 2,451.92 = 464.85 : x
  2. Step 2: Convert to fraction form
    1,634.76/2,451.92 = 464.85/x
  3. Step 3: Cross multiply
    1,634.76x = 2,451.92 × 464.85
  4. Step 4: Simplify right side
    1,634.76x = 1,139,772.69
  5. Step 5: Solve for x
    x = 1,139,772.69/1,634.76
  6. Step 6: Final answer
    x = 697.21

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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.