Home / 3,995.45-5,513.75-2,227.08

Finding the Fourth Proportional to 3,995.45, 5,513.75 and 2,227.08

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Solution

The fourth proportional to 3,995.45, 5,513.75 and 2,227.08 is: 3,073.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,995.45 : 5,513.75 = 2,227.08 : x
  2. Step 2: Convert to fraction form
    3,995.45/5,513.75 = 2,227.08/x
  3. Step 3: Cross multiply
    3,995.45x = 5,513.75 × 2,227.08
  4. Step 4: Simplify right side
    3,995.45x = 12,279,562.35
  5. Step 5: Solve for x
    x = 12,279,562.35/3,995.45
  6. Step 6: Final answer
    x = 3,073.39

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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.