Home / 1,517.71-2,279.30-1,448.46

Finding the Fourth Proportional to 1,517.71, 2,279.30 and 1,448.46

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Solution

The fourth proportional to 1,517.71, 2,279.30 and 1,448.46 is: 2,175.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517.71 : 2,279.30 = 1,448.46 : x
  2. Step 2: Convert to fraction form
    1,517.71/2,279.30 = 1,448.46/x
  3. Step 3: Cross multiply
    1,517.71x = 2,279.30 × 1,448.46
  4. Step 4: Simplify right side
    1,517.71x = 3,301,456.24
  5. Step 5: Solve for x
    x = 3,301,456.24/1,517.71
  6. Step 6: Final answer
    x = 2,175.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.