Home / 3,912.99-5,399.41-2,234.29

Finding the Fourth Proportional to 3,912.99, 5,399.41 and 2,234.29

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Solution

The fourth proportional to 3,912.99, 5,399.41 and 2,234.29 is: 3,083.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,912.99 : 5,399.41 = 2,234.29 : x
  2. Step 2: Convert to fraction form
    3,912.99/5,399.41 = 2,234.29/x
  3. Step 3: Cross multiply
    3,912.99x = 5,399.41 × 2,234.29
  4. Step 4: Simplify right side
    3,912.99x = 12,063,836.60
  5. Step 5: Solve for x
    x = 12,063,836.60/3,912.99
  6. Step 6: Final answer
    x = 3,083.02

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1.5x scale

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.