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Finding the Fourth Proportional to 2,182.06, 3,273.06 and 538.60

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Solution

The fourth proportional to 2,182.06, 3,273.06 and 538.60 is: 807.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,182.06 : 3,273.06 = 538.60 : x
  2. Step 2: Convert to fraction form
    2,182.06/3,273.06 = 538.60/x
  3. Step 3: Cross multiply
    2,182.06x = 3,273.06 × 538.60
  4. Step 4: Simplify right side
    2,182.06x = 1,762,870.12
  5. Step 5: Solve for x
    x = 1,762,870.12/2,182.06
  6. Step 6: Final answer
    x = 807.89

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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.