Home / 3,682.12-5,081.36-2,003.57

Finding the Fourth Proportional to 3,682.12, 5,081.36 and 2,003.57

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Solution

The fourth proportional to 3,682.12, 5,081.36 and 2,003.57 is: 2,764.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,682.12 : 5,081.36 = 2,003.57 : x
  2. Step 2: Convert to fraction form
    3,682.12/5,081.36 = 2,003.57/x
  3. Step 3: Cross multiply
    3,682.12x = 5,081.36 × 2,003.57
  4. Step 4: Simplify right side
    3,682.12x = 10,180,860.46
  5. Step 5: Solve for x
    x = 10,180,860.46/3,682.12
  6. Step 6: Final answer
    x = 2,764.95

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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.