Home / 3,489.24-5,234.63-1,149.15

Finding the Fourth Proportional to 3,489.24, 5,234.63 and 1,149.15

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Solution

The fourth proportional to 3,489.24, 5,234.63 and 1,149.15 is: 1,723.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,489.24 : 5,234.63 = 1,149.15 : x
  2. Step 2: Convert to fraction form
    3,489.24/5,234.63 = 1,149.15/x
  3. Step 3: Cross multiply
    3,489.24x = 5,234.63 × 1,149.15
  4. Step 4: Simplify right side
    3,489.24x = 6,015,366.87
  5. Step 5: Solve for x
    x = 6,015,366.87/3,489.24
  6. Step 6: Final answer
    x = 1,723.98

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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.