Home / 3,489.10-5,233.66-1,540.92

Finding the Fourth Proportional to 3,489.10, 5,233.66 and 1,540.92

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Solution

The fourth proportional to 3,489.10, 5,233.66 and 1,540.92 is: 2,311.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,489.10 : 5,233.66 = 1,540.92 : x
  2. Step 2: Convert to fraction form
    3,489.10/5,233.66 = 1,540.92/x
  3. Step 3: Cross multiply
    3,489.10x = 5,233.66 × 1,540.92
  4. Step 4: Simplify right side
    3,489.10x = 8,064,617.49
  5. Step 5: Solve for x
    x = 8,064,617.49/3,489.10
  6. Step 6: Final answer
    x = 2,311.37

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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.