Home / 1,508.30-2,262.51-717.47

Finding the Fourth Proportional to 1,508.30, 2,262.51 and 717.47

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Solution

The fourth proportional to 1,508.30, 2,262.51 and 717.47 is: 1,076.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508.30 : 2,262.51 = 717.47 : x
  2. Step 2: Convert to fraction form
    1,508.30/2,262.51 = 717.47/x
  3. Step 3: Cross multiply
    1,508.30x = 2,262.51 × 717.47
  4. Step 4: Simplify right side
    1,508.30x = 1,623,283.05
  5. Step 5: Solve for x
    x = 1,623,283.05/1,508.30
  6. Step 6: Final answer
    x = 1,076.23

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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.