Home / 3,791.14-5,231.78-2,218.93

Finding the Fourth Proportional to 3,791.14, 5,231.78 and 2,218.93

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Solution

The fourth proportional to 3,791.14, 5,231.78 and 2,218.93 is: 3,062.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,791.14 : 5,231.78 = 2,218.93 : x
  2. Step 2: Convert to fraction form
    3,791.14/5,231.78 = 2,218.93/x
  3. Step 3: Cross multiply
    3,791.14x = 5,231.78 × 2,218.93
  4. Step 4: Simplify right side
    3,791.14x = 11,608,953.60
  5. Step 5: Solve for x
    x = 11,608,953.60/3,791.14
  6. Step 6: Final answer
    x = 3,062.13

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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.