Home / 2,517.66-3,474.31-1,398.60

Finding the Fourth Proportional to 2,517.66, 3,474.31 and 1,398.60

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Solution

The fourth proportional to 2,517.66, 3,474.31 and 1,398.60 is: 1,930.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,517.66 : 3,474.31 = 1,398.60 : x
  2. Step 2: Convert to fraction form
    2,517.66/3,474.31 = 1,398.60/x
  3. Step 3: Cross multiply
    2,517.66x = 3,474.31 × 1,398.60
  4. Step 4: Simplify right side
    2,517.66x = 4,859,169.97
  5. Step 5: Solve for x
    x = 4,859,169.97/2,517.66
  6. Step 6: Final answer
    x = 1,930.03

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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.