Home / 3,108.26-4,286.57-2,398.33

Finding the Fourth Proportional to 3,108.26, 4,286.57 and 2,398.33

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Solution

The fourth proportional to 3,108.26, 4,286.57 and 2,398.33 is: 3,307.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.26 : 4,286.57 = 2,398.33 : x
  2. Step 2: Convert to fraction form
    3,108.26/4,286.57 = 2,398.33/x
  3. Step 3: Cross multiply
    3,108.26x = 4,286.57 × 2,398.33
  4. Step 4: Simplify right side
    3,108.26x = 10,280,609.43
  5. Step 5: Solve for x
    x = 10,280,609.43/3,108.26
  6. Step 6: Final answer
    x = 3,307.51

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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.