Home / 3,321.29-4,981.95-1,472.43

Finding the Fourth Proportional to 3,321.29, 4,981.95 and 1,472.43

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Solution

The fourth proportional to 3,321.29, 4,981.95 and 1,472.43 is: 2,208.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321.29 : 4,981.95 = 1,472.43 : x
  2. Step 2: Convert to fraction form
    3,321.29/4,981.95 = 1,472.43/x
  3. Step 3: Cross multiply
    3,321.29x = 4,981.95 × 1,472.43
  4. Step 4: Simplify right side
    3,321.29x = 7,335,572.64
  5. Step 5: Solve for x
    x = 7,335,572.64/3,321.29
  6. Step 6: Final answer
    x = 2,208.65

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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.