Home / 3,806.22-5,249.07-2,922.06

Finding the Fourth Proportional to 3,806.22, 5,249.07 and 2,922.06

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Solution

The fourth proportional to 3,806.22, 5,249.07 and 2,922.06 is: 4,029.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,806.22 : 5,249.07 = 2,922.06 : x
  2. Step 2: Convert to fraction form
    3,806.22/5,249.07 = 2,922.06/x
  3. Step 3: Cross multiply
    3,806.22x = 5,249.07 × 2,922.06
  4. Step 4: Simplify right side
    3,806.22x = 15,338,097.48
  5. Step 5: Solve for x
    x = 15,338,097.48/3,806.22
  6. Step 6: Final answer
    x = 4,029.75

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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.