Home / 2,798.25-4,194.57-1,338.43

Finding the Fourth Proportional to 2,798.25, 4,194.57 and 1,338.43

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Solution

The fourth proportional to 2,798.25, 4,194.57 and 1,338.43 is: 2,006.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,798.25 : 4,194.57 = 1,338.43 : x
  2. Step 2: Convert to fraction form
    2,798.25/4,194.57 = 1,338.43/x
  3. Step 3: Cross multiply
    2,798.25x = 4,194.57 × 1,338.43
  4. Step 4: Simplify right side
    2,798.25x = 5,614,138.33
  5. Step 5: Solve for x
    x = 5,614,138.33/2,798.25
  6. Step 6: Final answer
    x = 2,006.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.