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Finding the Fourth Proportional to 3,892.12, 5,839.04 and 1,295.08

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Solution

The fourth proportional to 3,892.12, 5,839.04 and 1,295.08 is: 1,942.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,892.12 : 5,839.04 = 1,295.08 : x
  2. Step 2: Convert to fraction form
    3,892.12/5,839.04 = 1,295.08/x
  3. Step 3: Cross multiply
    3,892.12x = 5,839.04 × 1,295.08
  4. Step 4: Simplify right side
    3,892.12x = 7,562,023.92
  5. Step 5: Solve for x
    x = 7,562,023.92/3,892.12
  6. Step 6: Final answer
    x = 1,942.91

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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.