Home / 3,371.52-5,058.24-1,320.96

Finding the Fourth Proportional to 3,371.52, 5,058.24 and 1,320.96

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Solution

The fourth proportional to 3,371.52, 5,058.24 and 1,320.96 is: 1,981.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,371.52 : 5,058.24 = 1,320.96 : x
  2. Step 2: Convert to fraction form
    3,371.52/5,058.24 = 1,320.96/x
  3. Step 3: Cross multiply
    3,371.52x = 5,058.24 × 1,320.96
  4. Step 4: Simplify right side
    3,371.52x = 6,681,732.71
  5. Step 5: Solve for x
    x = 6,681,732.71/3,371.52
  6. Step 6: Final answer
    x = 1,981.82

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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.