Home / 2,205.41-3,044.20-1,971.87

Finding the Fourth Proportional to 2,205.41, 3,044.20 and 1,971.87

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Solution

The fourth proportional to 2,205.41, 3,044.20 and 1,971.87 is: 2,721.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205.41 : 3,044.20 = 1,971.87 : x
  2. Step 2: Convert to fraction form
    2,205.41/3,044.20 = 1,971.87/x
  3. Step 3: Cross multiply
    2,205.41x = 3,044.20 × 1,971.87
  4. Step 4: Simplify right side
    2,205.41x = 6,002,751.43
  5. Step 5: Solve for x
    x = 6,002,751.43/2,205.41
  6. Step 6: Final answer
    x = 2,721.83

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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.