Home / 3,182.18-4,772.67-1,332.80

Finding the Fourth Proportional to 3,182.18, 4,772.67 and 1,332.80

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Solution

The fourth proportional to 3,182.18, 4,772.67 and 1,332.80 is: 1,998.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182.18 : 4,772.67 = 1,332.80 : x
  2. Step 2: Convert to fraction form
    3,182.18/4,772.67 = 1,332.80/x
  3. Step 3: Cross multiply
    3,182.18x = 4,772.67 × 1,332.80
  4. Step 4: Simplify right side
    3,182.18x = 6,361,003.61
  5. Step 5: Solve for x
    x = 6,361,003.61/3,182.18
  6. Step 6: Final answer
    x = 1,998.95

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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.