Home / 3,168.10-4,367.82-2,284.12

Finding the Fourth Proportional to 3,168.10, 4,367.82 and 2,284.12

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Solution

The fourth proportional to 3,168.10, 4,367.82 and 2,284.12 is: 3,149.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.10 : 4,367.82 = 2,284.12 : x
  2. Step 2: Convert to fraction form
    3,168.10/4,367.82 = 2,284.12/x
  3. Step 3: Cross multiply
    3,168.10x = 4,367.82 × 2,284.12
  4. Step 4: Simplify right side
    3,168.10x = 9,976,625.02
  5. Step 5: Solve for x
    x = 9,976,625.02/3,168.10
  6. Step 6: Final answer
    x = 3,149.09

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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.