Home / 3,682.35-5,081.65-2,003.75

Finding the Fourth Proportional to 3,682.35, 5,081.65 and 2,003.75

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Solution

The fourth proportional to 3,682.35, 5,081.65 and 2,003.75 is: 2,765.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,682.35 : 5,081.65 = 2,003.75 : x
  2. Step 2: Convert to fraction form
    3,682.35/5,081.65 = 2,003.75/x
  3. Step 3: Cross multiply
    3,682.35x = 5,081.65 × 2,003.75
  4. Step 4: Simplify right side
    3,682.35x = 10,182,363.88
  5. Step 5: Solve for x
    x = 10,182,363.88/3,682.35
  6. Step 6: Final answer
    x = 2,765.18

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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.