Home / 3,538.30-5,305.75-1,072.66

Finding the Fourth Proportional to 3,538.30, 5,305.75 and 1,072.66

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Solution

The fourth proportional to 3,538.30, 5,305.75 and 1,072.66 is: 1,608.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538.30 : 5,305.75 = 1,072.66 : x
  2. Step 2: Convert to fraction form
    3,538.30/5,305.75 = 1,072.66/x
  3. Step 3: Cross multiply
    3,538.30x = 5,305.75 × 1,072.66
  4. Step 4: Simplify right side
    3,538.30x = 5,691,265.80
  5. Step 5: Solve for x
    x = 5,691,265.80/3,538.30
  6. Step 6: Final answer
    x = 1,608.47

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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.