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Finding the Fourth Proportional to 2,092.24, 3,137.88 and 793.54

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Solution

The fourth proportional to 2,092.24, 3,137.88 and 793.54 is: 1,190.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,092.24 : 3,137.88 = 793.54 : x
  2. Step 2: Convert to fraction form
    2,092.24/3,137.88 = 793.54/x
  3. Step 3: Cross multiply
    2,092.24x = 3,137.88 × 793.54
  4. Step 4: Simplify right side
    2,092.24x = 2,490,033.30
  5. Step 5: Solve for x
    x = 2,490,033.30/2,092.24
  6. Step 6: Final answer
    x = 1,190.13

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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.