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Finding the Fourth Proportional to 2,177.82, 3,266.77 and 534.38

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Solution

The fourth proportional to 2,177.82, 3,266.77 and 534.38 is: 801.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177.82 : 3,266.77 = 534.38 : x
  2. Step 2: Convert to fraction form
    2,177.82/3,266.77 = 534.38/x
  3. Step 3: Cross multiply
    2,177.82x = 3,266.77 × 534.38
  4. Step 4: Simplify right side
    2,177.82x = 1,745,696.55
  5. Step 5: Solve for x
    x = 1,745,696.55/2,177.82
  6. Step 6: Final answer
    x = 801.58

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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.