Home / 2,517.60-3,474.25-1,398.54

Finding the Fourth Proportional to 2,517.60, 3,474.25 and 1,398.54

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Solution

The fourth proportional to 2,517.60, 3,474.25 and 1,398.54 is: 1,929.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,517.60 : 3,474.25 = 1,398.54 : x
  2. Step 2: Convert to fraction form
    2,517.60/3,474.25 = 1,398.54/x
  3. Step 3: Cross multiply
    2,517.60x = 3,474.25 × 1,398.54
  4. Step 4: Simplify right side
    2,517.60x = 4,858,877.60
  5. Step 5: Solve for x
    x = 4,858,877.60/2,517.60
  6. Step 6: Final answer
    x = 1,929.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.