Home / 1,768.38-2,438.82-1,104.60

Finding the Fourth Proportional to 1,768.38, 2,438.82 and 1,104.60

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Solution

The fourth proportional to 1,768.38, 2,438.82 and 1,104.60 is: 1,523.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768.38 : 2,438.82 = 1,104.60 : x
  2. Step 2: Convert to fraction form
    1,768.38/2,438.82 = 1,104.60/x
  3. Step 3: Cross multiply
    1,768.38x = 2,438.82 × 1,104.60
  4. Step 4: Simplify right side
    1,768.38x = 2,693,920.57
  5. Step 5: Solve for x
    x = 2,693,920.57/1,768.38
  6. Step 6: Final answer
    x = 1,523.38

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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.