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Finding the Fourth Proportional to 3,959.93, 5,936.96 and 2,399.64

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Solution

The fourth proportional to 3,959.93, 5,936.96 and 2,399.64 is: 3,597.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959.93 : 5,936.96 = 2,399.64 : x
  2. Step 2: Convert to fraction form
    3,959.93/5,936.96 = 2,399.64/x
  3. Step 3: Cross multiply
    3,959.93x = 5,936.96 × 2,399.64
  4. Step 4: Simplify right side
    3,959.93x = 14,246,566.69
  5. Step 5: Solve for x
    x = 14,246,566.69/3,959.93
  6. Step 6: Final answer
    x = 3,597.68

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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.