Home / 3,995.84-5,513.92-2,227.28

Finding the Fourth Proportional to 3,995.84, 5,513.92 and 2,227.28

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Solution

The fourth proportional to 3,995.84, 5,513.92 and 2,227.28 is: 3,073.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,995.84 : 5,513.92 = 2,227.28 : x
  2. Step 2: Convert to fraction form
    3,995.84/5,513.92 = 2,227.28/x
  3. Step 3: Cross multiply
    3,995.84x = 5,513.92 × 2,227.28
  4. Step 4: Simplify right side
    3,995.84x = 12,281,043.74
  5. Step 5: Solve for x
    x = 12,281,043.74/3,995.84
  6. Step 6: Final answer
    x = 3,073.46

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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.