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Finding the Fourth Proportional to 3,927.84, 5,891.08 and 1,295.37

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Solution

The fourth proportional to 3,927.84, 5,891.08 and 1,295.37 is: 1,942.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927.84 : 5,891.08 = 1,295.37 : x
  2. Step 2: Convert to fraction form
    3,927.84/5,891.08 = 1,295.37/x
  3. Step 3: Cross multiply
    3,927.84x = 5,891.08 × 1,295.37
  4. Step 4: Simplify right side
    3,927.84x = 7,631,129.92
  5. Step 5: Solve for x
    x = 7,631,129.92/3,927.84
  6. Step 6: Final answer
    x = 1,942.83

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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.