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Finding the Fourth Proportional to 2,071.96, 3,107.88 and 532.96

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Solution

The fourth proportional to 2,071.96, 3,107.88 and 532.96 is: 799.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,071.96 : 3,107.88 = 532.96 : x
  2. Step 2: Convert to fraction form
    2,071.96/3,107.88 = 532.96/x
  3. Step 3: Cross multiply
    2,071.96x = 3,107.88 × 532.96
  4. Step 4: Simplify right side
    2,071.96x = 1,656,375.72
  5. Step 5: Solve for x
    x = 1,656,375.72/2,071.96
  6. Step 6: Final answer
    x = 799.42

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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.