Home / 3,803.32-5,249.22-2,231.43

Finding the Fourth Proportional to 3,803.32, 5,249.22 and 2,231.43

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Solution

The fourth proportional to 3,803.32, 5,249.22 and 2,231.43 is: 3,079.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,803.32 : 5,249.22 = 2,231.43 : x
  2. Step 2: Convert to fraction form
    3,803.32/5,249.22 = 2,231.43/x
  3. Step 3: Cross multiply
    3,803.32x = 5,249.22 × 2,231.43
  4. Step 4: Simplify right side
    3,803.32x = 11,713,266.98
  5. Step 5: Solve for x
    x = 11,713,266.98/3,803.32
  6. Step 6: Final answer
    x = 3,079.75

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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.