Home / 2,206.07-3,044.42-1,211.39

Finding the Fourth Proportional to 2,206.07, 3,044.42 and 1,211.39

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Solution

The fourth proportional to 2,206.07, 3,044.42 and 1,211.39 is: 1,671.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,206.07 : 3,044.42 = 1,211.39 : x
  2. Step 2: Convert to fraction form
    2,206.07/3,044.42 = 1,211.39/x
  3. Step 3: Cross multiply
    2,206.07x = 3,044.42 × 1,211.39
  4. Step 4: Simplify right side
    2,206.07x = 3,687,958.66
  5. Step 5: Solve for x
    x = 3,687,958.66/2,206.07
  6. Step 6: Final answer
    x = 1,671.74

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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.