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Finding the Fourth Proportional to 1,635.60, 2,452.01 and 539.67

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Solution

The fourth proportional to 1,635.60, 2,452.01 and 539.67 is: 809.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635.60 : 2,452.01 = 539.67 : x
  2. Step 2: Convert to fraction form
    1,635.60/2,452.01 = 539.67/x
  3. Step 3: Cross multiply
    1,635.60x = 2,452.01 × 539.67
  4. Step 4: Simplify right side
    1,635.60x = 1,323,273.54
  5. Step 5: Solve for x
    x = 1,323,273.54/1,635.60
  6. Step 6: Final answer
    x = 809.04

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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.