Home / 3,901.30-5,383.32-2,222.70

Finding the Fourth Proportional to 3,901.30, 5,383.32 and 2,222.70

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Solution

The fourth proportional to 3,901.30, 5,383.32 and 2,222.70 is: 3,067.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,901.30 : 5,383.32 = 2,222.70 : x
  2. Step 2: Convert to fraction form
    3,901.30/5,383.32 = 2,222.70/x
  3. Step 3: Cross multiply
    3,901.30x = 5,383.32 × 2,222.70
  4. Step 4: Simplify right side
    3,901.30x = 11,965,505.36
  5. Step 5: Solve for x
    x = 11,965,505.36/3,901.30
  6. Step 6: Final answer
    x = 3,067.06

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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.