Home / 2,517.66-3,474.48-1,398.59

Finding the Fourth Proportional to 2,517.66, 3,474.48 and 1,398.59

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Solution

The fourth proportional to 2,517.66, 3,474.48 and 1,398.59 is: 1,930.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,517.66 : 3,474.48 = 1,398.59 : x
  2. Step 2: Convert to fraction form
    2,517.66/3,474.48 = 1,398.59/x
  3. Step 3: Cross multiply
    2,517.66x = 3,474.48 × 1,398.59
  4. Step 4: Simplify right side
    2,517.66x = 4,859,365.99
  5. Step 5: Solve for x
    x = 4,859,365.99/2,517.66
  6. Step 6: Final answer
    x = 1,930.11

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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.