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Finding the Fourth Proportional to 3,958.67, 5,937.80 and 1,493.33

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Solution

The fourth proportional to 3,958.67, 5,937.80 and 1,493.33 is: 2,239.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,958.67 : 5,937.80 = 1,493.33 : x
  2. Step 2: Convert to fraction form
    3,958.67/5,937.80 = 1,493.33/x
  3. Step 3: Cross multiply
    3,958.67x = 5,937.80 × 1,493.33
  4. Step 4: Simplify right side
    3,958.67x = 8,867,087.41
  5. Step 5: Solve for x
    x = 8,867,087.41/3,958.67
  6. Step 6: Final answer
    x = 2,239.92

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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.