Home / 3,489.73-5,234.96-1,149.05

Finding the Fourth Proportional to 3,489.73, 5,234.96 and 1,149.05

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Solution

The fourth proportional to 3,489.73, 5,234.96 and 1,149.05 is: 1,723.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,489.73 : 5,234.96 = 1,149.05 : x
  2. Step 2: Convert to fraction form
    3,489.73/5,234.96 = 1,149.05/x
  3. Step 3: Cross multiply
    3,489.73x = 5,234.96 × 1,149.05
  4. Step 4: Simplify right side
    3,489.73x = 6,015,246.75
  5. Step 5: Solve for x
    x = 6,015,246.75/3,489.73
  6. Step 6: Final answer
    x = 1,723.70

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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.