Home / 2,211.33-3,320.66-1,351.11

Finding the Fourth Proportional to 2,211.33, 3,320.66 and 1,351.11

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Solution

The fourth proportional to 2,211.33, 3,320.66 and 1,351.11 is: 2,028.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211.33 : 3,320.66 = 1,351.11 : x
  2. Step 2: Convert to fraction form
    2,211.33/3,320.66 = 1,351.11/x
  3. Step 3: Cross multiply
    2,211.33x = 3,320.66 × 1,351.11
  4. Step 4: Simplify right side
    2,211.33x = 4,486,592.76
  5. Step 5: Solve for x
    x = 4,486,592.76/2,211.33
  6. Step 6: Final answer
    x = 2,028.91

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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.