Home / 2,992.29-4,129.85-2,282.79

Finding the Fourth Proportional to 2,992.29, 4,129.85 and 2,282.79

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Solution

The fourth proportional to 2,992.29, 4,129.85 and 2,282.79 is: 3,150.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,992.29 : 4,129.85 = 2,282.79 : x
  2. Step 2: Convert to fraction form
    2,992.29/4,129.85 = 2,282.79/x
  3. Step 3: Cross multiply
    2,992.29x = 4,129.85 × 2,282.79
  4. Step 4: Simplify right side
    2,992.29x = 9,427,568.87
  5. Step 5: Solve for x
    x = 9,427,568.87/2,992.29
  6. Step 6: Final answer
    x = 3,150.63

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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.