Home / 2,694.39-4,042.26-845.43

Finding the Fourth Proportional to 2,694.39, 4,042.26 and 845.43

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Solution

The fourth proportional to 2,694.39, 4,042.26 and 845.43 is: 1,268.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,694.39 : 4,042.26 = 845.43 : x
  2. Step 2: Convert to fraction form
    2,694.39/4,042.26 = 845.43/x
  3. Step 3: Cross multiply
    2,694.39x = 4,042.26 × 845.43
  4. Step 4: Simplify right side
    2,694.39x = 3,417,447.87
  5. Step 5: Solve for x
    x = 3,417,447.87/2,694.39
  6. Step 6: Final answer
    x = 1,268.36

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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.