Home / 2,517.82-3,474.19-1,455.19

Finding the Fourth Proportional to 2,517.82, 3,474.19 and 1,455.19

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Solution

The fourth proportional to 2,517.82, 3,474.19 and 1,455.19 is: 2,007.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,517.82 : 3,474.19 = 1,455.19 : x
  2. Step 2: Convert to fraction form
    2,517.82/3,474.19 = 1,455.19/x
  3. Step 3: Cross multiply
    2,517.82x = 3,474.19 × 1,455.19
  4. Step 4: Simplify right side
    2,517.82x = 5,055,581.90
  5. Step 5: Solve for x
    x = 5,055,581.90/2,517.82
  6. Step 6: Final answer
    x = 2,007.92

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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.