Home / 3,745.63-5,163.27-3,081.33

Finding the Fourth Proportional to 3,745.63, 5,163.27 and 3,081.33

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Solution

The fourth proportional to 3,745.63, 5,163.27 and 3,081.33 is: 4,247.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745.63 : 5,163.27 = 3,081.33 : x
  2. Step 2: Convert to fraction form
    3,745.63/5,163.27 = 3,081.33/x
  3. Step 3: Cross multiply
    3,745.63x = 5,163.27 × 3,081.33
  4. Step 4: Simplify right side
    3,745.63x = 15,909,738.75
  5. Step 5: Solve for x
    x = 15,909,738.75/3,745.63
  6. Step 6: Final answer
    x = 4,247.55

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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.