Home / 2,182.20-3,273.30-1,817.70

Finding the Fourth Proportional to 2,182.20, 3,273.30 and 1,817.70

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Solution

The fourth proportional to 2,182.20, 3,273.30 and 1,817.70 is: 2,726.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,182.20 : 3,273.30 = 1,817.70 : x
  2. Step 2: Convert to fraction form
    2,182.20/3,273.30 = 1,817.70/x
  3. Step 3: Cross multiply
    2,182.20x = 3,273.30 × 1,817.70
  4. Step 4: Simplify right side
    2,182.20x = 5,949,877.41
  5. Step 5: Solve for x
    x = 5,949,877.41/2,182.20
  6. Step 6: Final answer
    x = 2,726.55

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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.