Home / 1,250.28-1,726.65-1,003.23

Finding the Fourth Proportional to 1,250.28, 1,726.65 and 1,003.23

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Solution

The fourth proportional to 1,250.28, 1,726.65 and 1,003.23 is: 1,385.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250.28 : 1,726.65 = 1,003.23 : x
  2. Step 2: Convert to fraction form
    1,250.28/1,726.65 = 1,003.23/x
  3. Step 3: Cross multiply
    1,250.28x = 1,726.65 × 1,003.23
  4. Step 4: Simplify right side
    1,250.28x = 1,732,227.08
  5. Step 5: Solve for x
    x = 1,732,227.08/1,250.28
  6. Step 6: Final answer
    x = 1,385.47

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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.