Home / 3,489.18-5,234.13-1,023.99

Finding the Fourth Proportional to 3,489.18, 5,234.13 and 1,023.99

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Solution

The fourth proportional to 3,489.18, 5,234.13 and 1,023.99 is: 1,536.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,489.18 : 5,234.13 = 1,023.99 : x
  2. Step 2: Convert to fraction form
    3,489.18/5,234.13 = 1,023.99/x
  3. Step 3: Cross multiply
    3,489.18x = 5,234.13 × 1,023.99
  4. Step 4: Simplify right side
    3,489.18x = 5,359,696.78
  5. Step 5: Solve for x
    x = 5,359,696.78/3,489.18
  6. Step 6: Final answer
    x = 1,536.09

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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.