Home / 2,286.17-3,161.13-2,249.12

Finding the Fourth Proportional to 2,286.17, 3,161.13 and 2,249.12

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Solution

The fourth proportional to 2,286.17, 3,161.13 and 2,249.12 is: 3,109.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,286.17 : 3,161.13 = 2,249.12 : x
  2. Step 2: Convert to fraction form
    2,286.17/3,161.13 = 2,249.12/x
  3. Step 3: Cross multiply
    2,286.17x = 3,161.13 × 2,249.12
  4. Step 4: Simplify right side
    2,286.17x = 7,109,760.71
  5. Step 5: Solve for x
    x = 7,109,760.71/2,286.17
  6. Step 6: Final answer
    x = 3,109.90

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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.