Home / 3,521.88-5,290.22-2,224.28

Finding the Fourth Proportional to 3,521.88, 5,290.22 and 2,224.28

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Solution

The fourth proportional to 3,521.88, 5,290.22 and 2,224.28 is: 3,341.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.88 : 5,290.22 = 2,224.28 : x
  2. Step 2: Convert to fraction form
    3,521.88/5,290.22 = 2,224.28/x
  3. Step 3: Cross multiply
    3,521.88x = 5,290.22 × 2,224.28
  4. Step 4: Simplify right side
    3,521.88x = 11,766,930.54
  5. Step 5: Solve for x
    x = 11,766,930.54/3,521.88
  6. Step 6: Final answer
    x = 3,341.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.