Home / 3,995.19-5,513.36-2,226.78

Finding the Fourth Proportional to 3,995.19, 5,513.36 and 2,226.78

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Solution

The fourth proportional to 3,995.19, 5,513.36 and 2,226.78 is: 3,072.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,995.19 : 5,513.36 = 2,226.78 : x
  2. Step 2: Convert to fraction form
    3,995.19/5,513.36 = 2,226.78/x
  3. Step 3: Cross multiply
    3,995.19x = 5,513.36 × 2,226.78
  4. Step 4: Simplify right side
    3,995.19x = 12,277,028.65
  5. Step 5: Solve for x
    x = 12,277,028.65/3,995.19
  6. Step 6: Final answer
    x = 3,072.95

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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.