Home / 2,182.20-3,270.79-1,084.11

Finding the Fourth Proportional to 2,182.20, 3,270.79 and 1,084.11

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Solution

The fourth proportional to 2,182.20, 3,270.79 and 1,084.11 is: 1,624.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,182.20 : 3,270.79 = 1,084.11 : x
  2. Step 2: Convert to fraction form
    2,182.20/3,270.79 = 1,084.11/x
  3. Step 3: Cross multiply
    2,182.20x = 3,270.79 × 1,084.11
  4. Step 4: Simplify right side
    2,182.20x = 3,545,896.15
  5. Step 5: Solve for x
    x = 3,545,896.15/2,182.20
  6. Step 6: Final answer
    x = 1,624.92

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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.