Home / 3,961.62-5,943.60-1,188.39

Finding the Fourth Proportional to 3,961.62, 5,943.60 and 1,188.39

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Solution

The fourth proportional to 3,961.62, 5,943.60 and 1,188.39 is: 1,782.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.62 : 5,943.60 = 1,188.39 : x
  2. Step 2: Convert to fraction form
    3,961.62/5,943.60 = 1,188.39/x
  3. Step 3: Cross multiply
    3,961.62x = 5,943.60 × 1,188.39
  4. Step 4: Simplify right side
    3,961.62x = 7,063,314.80
  5. Step 5: Solve for x
    x = 7,063,314.80/3,961.62
  6. Step 6: Final answer
    x = 1,782.94

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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.