Home / 3,745.38-5,163.15-2,622.78

Finding the Fourth Proportional to 3,745.38, 5,163.15 and 2,622.78

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Solution

The fourth proportional to 3,745.38, 5,163.15 and 2,622.78 is: 3,615.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745.38 : 5,163.15 = 2,622.78 : x
  2. Step 2: Convert to fraction form
    3,745.38/5,163.15 = 2,622.78/x
  3. Step 3: Cross multiply
    3,745.38x = 5,163.15 × 2,622.78
  4. Step 4: Simplify right side
    3,745.38x = 13,541,806.56
  5. Step 5: Solve for x
    x = 13,541,806.56/3,745.38
  6. Step 6: Final answer
    x = 3,615.60

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1.5x scale

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.