Home / 2,083.98-3,125.97-1,109.85

Finding the Fourth Proportional to 2,083.98, 3,125.97 and 1,109.85

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Solution

The fourth proportional to 2,083.98, 3,125.97 and 1,109.85 is: 1,664.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,083.98 : 3,125.97 = 1,109.85 : x
  2. Step 2: Convert to fraction form
    2,083.98/3,125.97 = 1,109.85/x
  3. Step 3: Cross multiply
    2,083.98x = 3,125.97 × 1,109.85
  4. Step 4: Simplify right side
    2,083.98x = 3,469,357.80
  5. Step 5: Solve for x
    x = 3,469,357.80/2,083.98
  6. Step 6: Final answer
    x = 1,664.78

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1.5x scale

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.