Home / 3,767.80-5,198.70-2,194.96

Finding the Fourth Proportional to 3,767.80, 5,198.70 and 2,194.96

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Solution

The fourth proportional to 3,767.80, 5,198.70 and 2,194.96 is: 3,028.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,767.80 : 5,198.70 = 2,194.96 : x
  2. Step 2: Convert to fraction form
    3,767.80/5,198.70 = 2,194.96/x
  3. Step 3: Cross multiply
    3,767.80x = 5,198.70 × 2,194.96
  4. Step 4: Simplify right side
    3,767.80x = 11,410,938.55
  5. Step 5: Solve for x
    x = 11,410,938.55/3,767.80
  6. Step 6: Final answer
    x = 3,028.54

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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.