Home / 3,963.09-5,469.18-2,194.66

Finding the Fourth Proportional to 3,963.09, 5,469.18 and 2,194.66

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Solution

The fourth proportional to 3,963.09, 5,469.18 and 2,194.66 is: 3,028.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,963.09 : 5,469.18 = 2,194.66 : x
  2. Step 2: Convert to fraction form
    3,963.09/5,469.18 = 2,194.66/x
  3. Step 3: Cross multiply
    3,963.09x = 5,469.18 × 2,194.66
  4. Step 4: Simplify right side
    3,963.09x = 12,002,972.81
  5. Step 5: Solve for x
    x = 12,002,972.81/3,963.09
  6. Step 6: Final answer
    x = 3,028.69

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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.