Home / 3,803.91-5,249.16-2,389.02

Finding the Fourth Proportional to 3,803.91, 5,249.16 and 2,389.02

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Solution

The fourth proportional to 3,803.91, 5,249.16 and 2,389.02 is: 3,296.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,803.91 : 5,249.16 = 2,389.02 : x
  2. Step 2: Convert to fraction form
    3,803.91/5,249.16 = 2,389.02/x
  3. Step 3: Cross multiply
    3,803.91x = 5,249.16 × 2,389.02
  4. Step 4: Simplify right side
    3,803.91x = 12,540,348.22
  5. Step 5: Solve for x
    x = 12,540,348.22/3,803.91
  6. Step 6: Final answer
    x = 3,296.70

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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.