Home / 3,766.96-5,198.72-2,195.16

Finding the Fourth Proportional to 3,766.96, 5,198.72 and 2,195.16

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Solution

The fourth proportional to 3,766.96, 5,198.72 and 2,195.16 is: 3,029.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,766.96 : 5,198.72 = 2,195.16 : x
  2. Step 2: Convert to fraction form
    3,766.96/5,198.72 = 2,195.16/x
  3. Step 3: Cross multiply
    3,766.96x = 5,198.72 × 2,195.16
  4. Step 4: Simplify right side
    3,766.96x = 11,412,022.20
  5. Step 5: Solve for x
    x = 11,412,022.20/3,766.96
  6. Step 6: Final answer
    x = 3,029.50

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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.