Home / 2,211.41-3,049.97-1,945.28

Finding the Fourth Proportional to 2,211.41, 3,049.97 and 1,945.28

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Solution

The fourth proportional to 2,211.41, 3,049.97 and 1,945.28 is: 2,682.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211.41 : 3,049.97 = 1,945.28 : x
  2. Step 2: Convert to fraction form
    2,211.41/3,049.97 = 1,945.28/x
  3. Step 3: Cross multiply
    2,211.41x = 3,049.97 × 1,945.28
  4. Step 4: Simplify right side
    2,211.41x = 5,933,020.67
  5. Step 5: Solve for x
    x = 5,933,020.67/2,211.41
  6. Step 6: Final answer
    x = 2,682.92

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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.