Home / 3,682.12-5,081.26-2,003.56

Finding the Fourth Proportional to 3,682.12, 5,081.26 and 2,003.56

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Solution

The fourth proportional to 3,682.12, 5,081.26 and 2,003.56 is: 2,764.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,682.12 : 5,081.26 = 2,003.56 : x
  2. Step 2: Convert to fraction form
    3,682.12/5,081.26 = 2,003.56/x
  3. Step 3: Cross multiply
    3,682.12x = 5,081.26 × 2,003.56
  4. Step 4: Simplify right side
    3,682.12x = 10,180,603.99
  5. Step 5: Solve for x
    x = 10,180,603.99/3,682.12
  6. Step 6: Final answer
    x = 2,764.88

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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.