Home / 3,682.26-5,081.58-2,003.70

Finding the Fourth Proportional to 3,682.26, 5,081.58 and 2,003.70

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Solution

The fourth proportional to 3,682.26, 5,081.58 and 2,003.70 is: 2,765.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,682.26 : 5,081.58 = 2,003.70 : x
  2. Step 2: Convert to fraction form
    3,682.26/5,081.58 = 2,003.70/x
  3. Step 3: Cross multiply
    3,682.26x = 5,081.58 × 2,003.70
  4. Step 4: Simplify right side
    3,682.26x = 10,181,961.85
  5. Step 5: Solve for x
    x = 10,181,961.85/3,682.26
  6. Step 6: Final answer
    x = 2,765.14

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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.