Home / 3,883.80-5,359.94-2,205.52

Finding the Fourth Proportional to 3,883.80, 5,359.94 and 2,205.52

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Solution

The fourth proportional to 3,883.80, 5,359.94 and 2,205.52 is: 3,043.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,883.80 : 5,359.94 = 2,205.52 : x
  2. Step 2: Convert to fraction form
    3,883.80/5,359.94 = 2,205.52/x
  3. Step 3: Cross multiply
    3,883.80x = 5,359.94 × 2,205.52
  4. Step 4: Simplify right side
    3,883.80x = 11,821,454.87
  5. Step 5: Solve for x
    x = 11,821,454.87/3,883.80
  6. Step 6: Final answer
    x = 3,043.79

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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.