Home / 3,995.16-5,512.96-2,226.72

Finding the Fourth Proportional to 3,995.16, 5,512.96 and 2,226.72

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Solution

The fourth proportional to 3,995.16, 5,512.96 and 2,226.72 is: 3,072.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,995.16 : 5,512.96 = 2,226.72 : x
  2. Step 2: Convert to fraction form
    3,995.16/5,512.96 = 2,226.72/x
  3. Step 3: Cross multiply
    3,995.16x = 5,512.96 × 2,226.72
  4. Step 4: Simplify right side
    3,995.16x = 12,275,841.75
  5. Step 5: Solve for x
    x = 12,275,841.75/3,995.16
  6. Step 6: Final answer
    x = 3,072.68

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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.