Home / 1,248.24-1,721.76-750.52

Finding the Fourth Proportional to 1,248.24, 1,721.76 and 750.52

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Solution

The fourth proportional to 1,248.24, 1,721.76 and 750.52 is: 1,035.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248.24 : 1,721.76 = 750.52 : x
  2. Step 2: Convert to fraction form
    1,248.24/1,721.76 = 750.52/x
  3. Step 3: Cross multiply
    1,248.24x = 1,721.76 × 750.52
  4. Step 4: Simplify right side
    1,248.24x = 1,292,215.32
  5. Step 5: Solve for x
    x = 1,292,215.32/1,248.24
  6. Step 6: Final answer
    x = 1,035.23

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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.