Home / 3,913.37-5,399.92-2,234.68

Finding the Fourth Proportional to 3,913.37, 5,399.92 and 2,234.68

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Solution

The fourth proportional to 3,913.37, 5,399.92 and 2,234.68 is: 3,083.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913.37 : 5,399.92 = 2,234.68 : x
  2. Step 2: Convert to fraction form
    3,913.37/5,399.92 = 2,234.68/x
  3. Step 3: Cross multiply
    3,913.37x = 5,399.92 × 2,234.68
  4. Step 4: Simplify right side
    3,913.37x = 12,067,093.23
  5. Step 5: Solve for x
    x = 12,067,093.23/3,913.37
  6. Step 6: Final answer
    x = 3,083.56

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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.