Home / 3,949.01-5,447.97-2,770.85

Finding the Fourth Proportional to 3,949.01, 5,447.97 and 2,770.85

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Solution

The fourth proportional to 3,949.01, 5,447.97 and 2,770.85 is: 3,822.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.01 : 5,447.97 = 2,770.85 : x
  2. Step 2: Convert to fraction form
    3,949.01/5,447.97 = 2,770.85/x
  3. Step 3: Cross multiply
    3,949.01x = 5,447.97 × 2,770.85
  4. Step 4: Simplify right side
    3,949.01x = 15,095,507.67
  5. Step 5: Solve for x
    x = 15,095,507.67/3,949.01
  6. Step 6: Final answer
    x = 3,822.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.