Home / 3,884.57-5,360.69-2,205.90

Finding the Fourth Proportional to 3,884.57, 5,360.69 and 2,205.90

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Solution

The fourth proportional to 3,884.57, 5,360.69 and 2,205.90 is: 3,044.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,884.57 : 5,360.69 = 2,205.90 : x
  2. Step 2: Convert to fraction form
    3,884.57/5,360.69 = 2,205.90/x
  3. Step 3: Cross multiply
    3,884.57x = 5,360.69 × 2,205.90
  4. Step 4: Simplify right side
    3,884.57x = 11,825,151.59
  5. Step 5: Solve for x
    x = 11,825,151.59/3,884.57
  6. Step 6: Final answer
    x = 3,044.13

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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.