Home / 3,939.62-5,910.07-1,166.56

Finding the Fourth Proportional to 3,939.62, 5,910.07 and 1,166.56

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Solution

The fourth proportional to 3,939.62, 5,910.07 and 1,166.56 is: 1,750.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939.62 : 5,910.07 = 1,166.56 : x
  2. Step 2: Convert to fraction form
    3,939.62/5,910.07 = 1,166.56/x
  3. Step 3: Cross multiply
    3,939.62x = 5,910.07 × 1,166.56
  4. Step 4: Simplify right side
    3,939.62x = 6,894,451.26
  5. Step 5: Solve for x
    x = 6,894,451.26/3,939.62
  6. Step 6: Final answer
    x = 1,750.03

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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.