Home / 2,517.28-3,474.09-1,455.09

Finding the Fourth Proportional to 2,517.28, 3,474.09 and 1,455.09

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Solution

The fourth proportional to 2,517.28, 3,474.09 and 1,455.09 is: 2,008.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,517.28 : 3,474.09 = 1,455.09 : x
  2. Step 2: Convert to fraction form
    2,517.28/3,474.09 = 1,455.09/x
  3. Step 3: Cross multiply
    2,517.28x = 3,474.09 × 1,455.09
  4. Step 4: Simplify right side
    2,517.28x = 5,055,110.36
  5. Step 5: Solve for x
    x = 5,055,110.36/2,517.28
  6. Step 6: Final answer
    x = 2,008.17

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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.