Home / 3,162.20-4,366.17-2,043.80

Finding the Fourth Proportional to 3,162.20, 4,366.17 and 2,043.80

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Solution

The fourth proportional to 3,162.20, 4,366.17 and 2,043.80 is: 2,821.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.20 : 4,366.17 = 2,043.80 : x
  2. Step 2: Convert to fraction form
    3,162.20/4,366.17 = 2,043.80/x
  3. Step 3: Cross multiply
    3,162.20x = 4,366.17 × 2,043.80
  4. Step 4: Simplify right side
    3,162.20x = 8,923,578.25
  5. Step 5: Solve for x
    x = 8,923,578.25/3,162.20
  6. Step 6: Final answer
    x = 2,821.95

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1.5x scale

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.