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Finding the Fourth Proportional to 3,891.88, 5,838.36 and 1,295.02

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Solution

The fourth proportional to 3,891.88, 5,838.36 and 1,295.02 is: 1,942.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,891.88 : 5,838.36 = 1,295.02 : x
  2. Step 2: Convert to fraction form
    3,891.88/5,838.36 = 1,295.02/x
  3. Step 3: Cross multiply
    3,891.88x = 5,838.36 × 1,295.02
  4. Step 4: Simplify right side
    3,891.88x = 7,560,792.97
  5. Step 5: Solve for x
    x = 7,560,792.97/3,891.88
  6. Step 6: Final answer
    x = 1,942.71

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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.