Home / 2,799.09-3,863.43-2,168.37

Finding the Fourth Proportional to 2,799.09, 3,863.43 and 2,168.37

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Solution

The fourth proportional to 2,799.09, 3,863.43 and 2,168.37 is: 2,992.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799.09 : 3,863.43 = 2,168.37 : x
  2. Step 2: Convert to fraction form
    2,799.09/3,863.43 = 2,168.37/x
  3. Step 3: Cross multiply
    2,799.09x = 3,863.43 × 2,168.37
  4. Step 4: Simplify right side
    2,799.09x = 8,377,345.71
  5. Step 5: Solve for x
    x = 8,377,345.71/2,799.09
  6. Step 6: Final answer
    x = 2,992.88

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.