Home / 3,769.75-5,202.26-2,198.15

Finding the Fourth Proportional to 3,769.75, 5,202.26 and 2,198.15

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Solution

The fourth proportional to 3,769.75, 5,202.26 and 2,198.15 is: 3,033.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,769.75 : 5,202.26 = 2,198.15 : x
  2. Step 2: Convert to fraction form
    3,769.75/5,202.26 = 2,198.15/x
  3. Step 3: Cross multiply
    3,769.75x = 5,202.26 × 2,198.15
  4. Step 4: Simplify right side
    3,769.75x = 11,435,347.82
  5. Step 5: Solve for x
    x = 11,435,347.82/3,769.75
  6. Step 6: Final answer
    x = 3,033.45

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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.