Home / 1,471.88-2,205.61-1,332.97

Finding the Fourth Proportional to 1,471.88, 2,205.61 and 1,332.97

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Solution

The fourth proportional to 1,471.88, 2,205.61 and 1,332.97 is: 1,997.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,471.88 : 2,205.61 = 1,332.97 : x
  2. Step 2: Convert to fraction form
    1,471.88/2,205.61 = 1,332.97/x
  3. Step 3: Cross multiply
    1,471.88x = 2,205.61 × 1,332.97
  4. Step 4: Simplify right side
    1,471.88x = 2,940,003.12
  5. Step 5: Solve for x
    x = 2,940,003.12/1,471.88
  6. Step 6: Final answer
    x = 1,997.44

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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.