Home / 2,205.96-3,044.27-1,211.25

Finding the Fourth Proportional to 2,205.96, 3,044.27 and 1,211.25

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Solution

The fourth proportional to 2,205.96, 3,044.27 and 1,211.25 is: 1,671.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205.96 : 3,044.27 = 1,211.25 : x
  2. Step 2: Convert to fraction form
    2,205.96/3,044.27 = 1,211.25/x
  3. Step 3: Cross multiply
    2,205.96x = 3,044.27 × 1,211.25
  4. Step 4: Simplify right side
    2,205.96x = 3,687,365.98
  5. Step 5: Solve for x
    x = 3,687,365.98/2,205.96
  6. Step 6: Final answer
    x = 1,671.55

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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.