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Finding the Fourth Proportional to 2,592.42, 3,888.62 and 743.54

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Solution

The fourth proportional to 2,592.42, 3,888.62 and 743.54 is: 1,115.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,592.42 : 3,888.62 = 743.54 : x
  2. Step 2: Convert to fraction form
    2,592.42/3,888.62 = 743.54/x
  3. Step 3: Cross multiply
    2,592.42x = 3,888.62 × 743.54
  4. Step 4: Simplify right side
    2,592.42x = 2,891,350.52
  5. Step 5: Solve for x
    x = 2,891,350.52/2,592.42
  6. Step 6: Final answer
    x = 1,115.31

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.