Home / 2,206.43-3,310.14-745.54

Finding the Fourth Proportional to 2,206.43, 3,310.14 and 745.54

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Solution

The fourth proportional to 2,206.43, 3,310.14 and 745.54 is: 1,118.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,206.43 : 3,310.14 = 745.54 : x
  2. Step 2: Convert to fraction form
    2,206.43/3,310.14 = 745.54/x
  3. Step 3: Cross multiply
    2,206.43x = 3,310.14 × 745.54
  4. Step 4: Simplify right side
    2,206.43x = 2,467,841.78
  5. Step 5: Solve for x
    x = 2,467,841.78/2,206.43
  6. Step 6: Final answer
    x = 1,118.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.