Home / 2,764.36-4,142.22-2,220.04

Finding the Fourth Proportional to 2,764.36, 4,142.22 and 2,220.04

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Solution

The fourth proportional to 2,764.36, 4,142.22 and 2,220.04 is: 3,326.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,764.36 : 4,142.22 = 2,220.04 : x
  2. Step 2: Convert to fraction form
    2,764.36/4,142.22 = 2,220.04/x
  3. Step 3: Cross multiply
    2,764.36x = 4,142.22 × 2,220.04
  4. Step 4: Simplify right side
    2,764.36x = 9,195,894.09
  5. Step 5: Solve for x
    x = 9,195,894.09/2,764.36
  6. Step 6: Final answer
    x = 3,326.59

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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.