Home / 2,259.29-3,388.94-1,489.61

Finding the Fourth Proportional to 2,259.29, 3,388.94 and 1,489.61

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Solution

The fourth proportional to 2,259.29, 3,388.94 and 1,489.61 is: 2,234.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,259.29 : 3,388.94 = 1,489.61 : x
  2. Step 2: Convert to fraction form
    2,259.29/3,388.94 = 1,489.61/x
  3. Step 3: Cross multiply
    2,259.29x = 3,388.94 × 1,489.61
  4. Step 4: Simplify right side
    2,259.29x = 5,048,198.91
  5. Step 5: Solve for x
    x = 5,048,198.91/2,259.29
  6. Step 6: Final answer
    x = 2,234.42

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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.