Home / 3,945.11-5,444.27-2,176.71

Finding the Fourth Proportional to 3,945.11, 5,444.27 and 2,176.71

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Solution

The fourth proportional to 3,945.11, 5,444.27 and 2,176.71 is: 3,003.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945.11 : 5,444.27 = 2,176.71 : x
  2. Step 2: Convert to fraction form
    3,945.11/5,444.27 = 2,176.71/x
  3. Step 3: Cross multiply
    3,945.11x = 5,444.27 × 2,176.71
  4. Step 4: Simplify right side
    3,945.11x = 11,850,586.07
  5. Step 5: Solve for x
    x = 11,850,586.07/3,945.11
  6. Step 6: Final answer
    x = 3,003.87

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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.