Home / 2,258.29-3,387.44-1,488.61

Finding the Fourth Proportional to 2,258.29, 3,387.44 and 1,488.61

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Solution

The fourth proportional to 2,258.29, 3,387.44 and 1,488.61 is: 2,232.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,258.29 : 3,387.44 = 1,488.61 : x
  2. Step 2: Convert to fraction form
    2,258.29/3,387.44 = 1,488.61/x
  3. Step 3: Cross multiply
    2,258.29x = 3,387.44 × 1,488.61
  4. Step 4: Simplify right side
    2,258.29x = 5,042,569.62
  5. Step 5: Solve for x
    x = 5,042,569.62/2,258.29
  6. Step 6: Final answer
    x = 2,232.92

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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.