Home / 3,922.45-5,873.96-2,187.43

Finding the Fourth Proportional to 3,922.45, 5,873.96 and 2,187.43

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Solution

The fourth proportional to 3,922.45, 5,873.96 and 2,187.43 is: 3,275.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,922.45 : 5,873.96 = 2,187.43 : x
  2. Step 2: Convert to fraction form
    3,922.45/5,873.96 = 2,187.43/x
  3. Step 3: Cross multiply
    3,922.45x = 5,873.96 × 2,187.43
  4. Step 4: Simplify right side
    3,922.45x = 12,848,865.39
  5. Step 5: Solve for x
    x = 12,848,865.39/3,922.45
  6. Step 6: Final answer
    x = 3,275.72

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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.