Home / 3,538.73-5,310.93-2,079.11

Finding the Fourth Proportional to 3,538.73, 5,310.93 and 2,079.11

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Solution

The fourth proportional to 3,538.73, 5,310.93 and 2,079.11 is: 3,120.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538.73 : 5,310.93 = 2,079.11 : x
  2. Step 2: Convert to fraction form
    3,538.73/5,310.93 = 2,079.11/x
  3. Step 3: Cross multiply
    3,538.73x = 5,310.93 × 2,079.11
  4. Step 4: Simplify right side
    3,538.73x = 11,042,007.67
  5. Step 5: Solve for x
    x = 11,042,007.67/3,538.73
  6. Step 6: Final answer
    x = 3,120.33

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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.