Home / 3,995.43-5,513.19-2,226.78

Finding the Fourth Proportional to 3,995.43, 5,513.19 and 2,226.78

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Solution

The fourth proportional to 3,995.43, 5,513.19 and 2,226.78 is: 3,072.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,995.43 : 5,513.19 = 2,226.78 : x
  2. Step 2: Convert to fraction form
    3,995.43/5,513.19 = 2,226.78/x
  3. Step 3: Cross multiply
    3,995.43x = 5,513.19 × 2,226.78
  4. Step 4: Simplify right side
    3,995.43x = 12,276,661.23
  5. Step 5: Solve for x
    x = 12,276,661.23/3,995.43
  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.