Home / 3,761.90-5,191.38-2,083.32

Finding the Fourth Proportional to 3,761.90, 5,191.38 and 2,083.32

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Solution

The fourth proportional to 3,761.90, 5,191.38 and 2,083.32 is: 2,874.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,761.90 : 5,191.38 = 2,083.32 : x
  2. Step 2: Convert to fraction form
    3,761.90/5,191.38 = 2,083.32/x
  3. Step 3: Cross multiply
    3,761.90x = 5,191.38 × 2,083.32
  4. Step 4: Simplify right side
    3,761.90x = 10,815,305.78
  5. Step 5: Solve for x
    x = 10,815,305.78/3,761.90
  6. Step 6: Final answer
    x = 2,874.96

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1.5x scale

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.