Home / 2,204.88-3,020.71-2,121.85

Finding the Fourth Proportional to 2,204.88, 3,020.71 and 2,121.85

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Solution

The fourth proportional to 2,204.88, 3,020.71 and 2,121.85 is: 2,906.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,204.88 : 3,020.71 = 2,121.85 : x
  2. Step 2: Convert to fraction form
    2,204.88/3,020.71 = 2,121.85/x
  3. Step 3: Cross multiply
    2,204.88x = 3,020.71 × 2,121.85
  4. Step 4: Simplify right side
    2,204.88x = 6,409,493.51
  5. Step 5: Solve for x
    x = 6,409,493.51/2,204.88
  6. Step 6: Final answer
    x = 2,906.96

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.