Home / 3,803.91-5,249.03-2,231.70

Finding the Fourth Proportional to 3,803.91, 5,249.03 and 2,231.70

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Solution

The fourth proportional to 3,803.91, 5,249.03 and 2,231.70 is: 3,079.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,803.91 : 5,249.03 = 2,231.70 : x
  2. Step 2: Convert to fraction form
    3,803.91/5,249.03 = 2,231.70/x
  3. Step 3: Cross multiply
    3,803.91x = 5,249.03 × 2,231.70
  4. Step 4: Simplify right side
    3,803.91x = 11,714,260.25
  5. Step 5: Solve for x
    x = 11,714,260.25/3,803.91
  6. Step 6: Final answer
    x = 3,079.53

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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.