Home / 3,372.14-5,055.57-2,139.32

Finding the Fourth Proportional to 3,372.14, 5,055.57 and 2,139.32

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Solution

The fourth proportional to 3,372.14, 5,055.57 and 2,139.32 is: 3,207.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,372.14 : 5,055.57 = 2,139.32 : x
  2. Step 2: Convert to fraction form
    3,372.14/5,055.57 = 2,139.32/x
  3. Step 3: Cross multiply
    3,372.14x = 5,055.57 × 2,139.32
  4. Step 4: Simplify right side
    3,372.14x = 10,815,456.73
  5. Step 5: Solve for x
    x = 10,815,456.73/3,372.14
  6. Step 6: Final answer
    x = 3,207.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.