Home / 3,227.78-4,454.44-1,901.36

Finding the Fourth Proportional to 3,227.78, 4,454.44 and 1,901.36

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Solution

The fourth proportional to 3,227.78, 4,454.44 and 1,901.36 is: 2,623.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,227.78 : 4,454.44 = 1,901.36 : x
  2. Step 2: Convert to fraction form
    3,227.78/4,454.44 = 1,901.36/x
  3. Step 3: Cross multiply
    3,227.78x = 4,454.44 × 1,901.36
  4. Step 4: Simplify right side
    3,227.78x = 8,469,494.04
  5. Step 5: Solve for x
    x = 8,469,494.04/3,227.78
  6. Step 6: Final answer
    x = 2,623.94

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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.