Home / 3,791.64-5,232.06-2,219.80

Finding the Fourth Proportional to 3,791.64, 5,232.06 and 2,219.80

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Solution

The fourth proportional to 3,791.64, 5,232.06 and 2,219.80 is: 3,063.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,791.64 : 5,232.06 = 2,219.80 : x
  2. Step 2: Convert to fraction form
    3,791.64/5,232.06 = 2,219.80/x
  3. Step 3: Cross multiply
    3,791.64x = 5,232.06 × 2,219.80
  4. Step 4: Simplify right side
    3,791.64x = 11,614,126.79
  5. Step 5: Solve for x
    x = 11,614,126.79/3,791.64
  6. Step 6: Final answer
    x = 3,063.09

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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.