Home / 3,951.72-5,930.01-2,198.07

Finding the Fourth Proportional to 3,951.72, 5,930.01 and 2,198.07

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Solution

The fourth proportional to 3,951.72, 5,930.01 and 2,198.07 is: 3,298.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,951.72 : 5,930.01 = 2,198.07 : x
  2. Step 2: Convert to fraction form
    3,951.72/5,930.01 = 2,198.07/x
  3. Step 3: Cross multiply
    3,951.72x = 5,930.01 × 2,198.07
  4. Step 4: Simplify right side
    3,951.72x = 13,034,577.08
  5. Step 5: Solve for x
    x = 13,034,577.08/3,951.72
  6. Step 6: Final answer
    x = 3,298.46

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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.