Home / 3,883.91-5,359.92-2,205.39

Finding the Fourth Proportional to 3,883.91, 5,359.92 and 2,205.39

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Solution

The fourth proportional to 3,883.91, 5,359.92 and 2,205.39 is: 3,043.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,883.91 : 5,359.92 = 2,205.39 : x
  2. Step 2: Convert to fraction form
    3,883.91/5,359.92 = 2,205.39/x
  3. Step 3: Cross multiply
    3,883.91x = 5,359.92 × 2,205.39
  4. Step 4: Simplify right side
    3,883.91x = 11,820,713.97
  5. Step 5: Solve for x
    x = 11,820,713.97/3,883.91
  6. Step 6: Final answer
    x = 3,043.51

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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.