Home / 3,339.12-5,008.82-1,489.89

Finding the Fourth Proportional to 3,339.12, 5,008.82 and 1,489.89

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Solution

The fourth proportional to 3,339.12, 5,008.82 and 1,489.89 is: 2,234.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,339.12 : 5,008.82 = 1,489.89 : x
  2. Step 2: Convert to fraction form
    3,339.12/5,008.82 = 1,489.89/x
  3. Step 3: Cross multiply
    3,339.12x = 5,008.82 × 1,489.89
  4. Step 4: Simplify right side
    3,339.12x = 7,462,583.38
  5. Step 5: Solve for x
    x = 7,462,583.38/3,339.12
  6. Step 6: Final answer
    x = 2,234.90

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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.