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Finding the Fourth Proportional to 3,686.52, 5,529.80 and 1,634.52

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Solution

The fourth proportional to 3,686.52, 5,529.80 and 1,634.52 is: 2,451.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686.52 : 5,529.80 = 1,634.52 : x
  2. Step 2: Convert to fraction form
    3,686.52/5,529.80 = 1,634.52/x
  3. Step 3: Cross multiply
    3,686.52x = 5,529.80 × 1,634.52
  4. Step 4: Simplify right side
    3,686.52x = 9,038,568.70
  5. Step 5: Solve for x
    x = 9,038,568.70/3,686.52
  6. Step 6: Final answer
    x = 2,451.79

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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.