Home / 3,789.11-5,228.96-2,110.66

Finding the Fourth Proportional to 3,789.11, 5,228.96 and 2,110.66

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Solution

The fourth proportional to 3,789.11, 5,228.96 and 2,110.66 is: 2,912.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,789.11 : 5,228.96 = 2,110.66 : x
  2. Step 2: Convert to fraction form
    3,789.11/5,228.96 = 2,110.66/x
  3. Step 3: Cross multiply
    3,789.11x = 5,228.96 × 2,110.66
  4. Step 4: Simplify right side
    3,789.11x = 11,036,568.53
  5. Step 5: Solve for x
    x = 11,036,568.53/3,789.11
  6. Step 6: Final answer
    x = 2,912.71

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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.