Home / 2,258.31-3,387.47-1,103.25

Finding the Fourth Proportional to 2,258.31, 3,387.47 and 1,103.25

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Solution

The fourth proportional to 2,258.31, 3,387.47 and 1,103.25 is: 1,654.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,258.31 : 3,387.47 = 1,103.25 : x
  2. Step 2: Convert to fraction form
    2,258.31/3,387.47 = 1,103.25/x
  3. Step 3: Cross multiply
    2,258.31x = 3,387.47 × 1,103.25
  4. Step 4: Simplify right side
    2,258.31x = 3,737,220.76
  5. Step 5: Solve for x
    x = 3,737,220.76/2,258.31
  6. Step 6: Final answer
    x = 1,654.88

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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.