Home / 3,227.78-4,448.52-2,342.05

Finding the Fourth Proportional to 3,227.78, 4,448.52 and 2,342.05

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Solution

The fourth proportional to 3,227.78, 4,448.52 and 2,342.05 is: 3,227.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,227.78 : 4,448.52 = 2,342.05 : x
  2. Step 2: Convert to fraction form
    3,227.78/4,448.52 = 2,342.05/x
  3. Step 3: Cross multiply
    3,227.78x = 4,448.52 × 2,342.05
  4. Step 4: Simplify right side
    3,227.78x = 10,418,645.14
  5. Step 5: Solve for x
    x = 10,418,645.14/3,227.78
  6. Step 6: Final answer
    x = 3,227.80

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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.