Home / 3,791.80-5,232.48-2,198.17

Finding the Fourth Proportional to 3,791.80, 5,232.48 and 2,198.17

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Solution

The fourth proportional to 3,791.80, 5,232.48 and 2,198.17 is: 3,033.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,791.80 : 5,232.48 = 2,198.17 : x
  2. Step 2: Convert to fraction form
    3,791.80/5,232.48 = 2,198.17/x
  3. Step 3: Cross multiply
    3,791.80x = 5,232.48 × 2,198.17
  4. Step 4: Simplify right side
    3,791.80x = 11,501,880.56
  5. Step 5: Solve for x
    x = 11,501,880.56/3,791.80
  6. Step 6: Final answer
    x = 3,033.36

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1.5x scale

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.