Home / 2,220.44-3,063.97-1,225.66

Finding the Fourth Proportional to 2,220.44, 3,063.97 and 1,225.66

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Solution

The fourth proportional to 2,220.44, 3,063.97 and 1,225.66 is: 1,691.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.44 : 3,063.97 = 1,225.66 : x
  2. Step 2: Convert to fraction form
    2,220.44/3,063.97 = 1,225.66/x
  3. Step 3: Cross multiply
    2,220.44x = 3,063.97 × 1,225.66
  4. Step 4: Simplify right side
    2,220.44x = 3,755,374.75
  5. Step 5: Solve for x
    x = 3,755,374.75/2,220.44
  6. Step 6: Final answer
    x = 1,691.27

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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.