Home / 3,995.30-5,513.46-2,226.98

Finding the Fourth Proportional to 3,995.30, 5,513.46 and 2,226.98

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Solution

The fourth proportional to 3,995.30, 5,513.46 and 2,226.98 is: 3,073.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,995.30 : 5,513.46 = 2,226.98 : x
  2. Step 2: Convert to fraction form
    3,995.30/5,513.46 = 2,226.98/x
  3. Step 3: Cross multiply
    3,995.30x = 5,513.46 × 2,226.98
  4. Step 4: Simplify right side
    3,995.30x = 12,278,365.15
  5. Step 5: Solve for x
    x = 12,278,365.15/3,995.30
  6. Step 6: Final answer
    x = 3,073.20

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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.