Home / 3,945.17-5,444.29-2,176.74

Finding the Fourth Proportional to 3,945.17, 5,444.29 and 2,176.74

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Solution

The fourth proportional to 3,945.17, 5,444.29 and 2,176.74 is: 3,003.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945.17 : 5,444.29 = 2,176.74 : x
  2. Step 2: Convert to fraction form
    3,945.17/5,444.29 = 2,176.74/x
  3. Step 3: Cross multiply
    3,945.17x = 5,444.29 × 2,176.74
  4. Step 4: Simplify right side
    3,945.17x = 11,850,806.54
  5. Step 5: Solve for x
    x = 11,850,806.54/3,945.17
  6. Step 6: Final answer
    x = 3,003.88

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1.5x scale

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.