Home / 2,860.44-3,949.19-2,195.97

Finding the Fourth Proportional to 2,860.44, 3,949.19 and 2,195.97

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Solution

The fourth proportional to 2,860.44, 3,949.19 and 2,195.97 is: 3,031.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,860.44 : 3,949.19 = 2,195.97 : x
  2. Step 2: Convert to fraction form
    2,860.44/3,949.19 = 2,195.97/x
  3. Step 3: Cross multiply
    2,860.44x = 3,949.19 × 2,195.97
  4. Step 4: Simplify right side
    2,860.44x = 8,672,272.04
  5. Step 5: Solve for x
    x = 8,672,272.04/2,860.44
  6. Step 6: Final answer
    x = 3,031.80

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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.