Home / 3,142.52-4,336.66-1,745.27

Finding the Fourth Proportional to 3,142.52, 4,336.66 and 1,745.27

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Solution

The fourth proportional to 3,142.52, 4,336.66 and 1,745.27 is: 2,408.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142.52 : 4,336.66 = 1,745.27 : x
  2. Step 2: Convert to fraction form
    3,142.52/4,336.66 = 1,745.27/x
  3. Step 3: Cross multiply
    3,142.52x = 4,336.66 × 1,745.27
  4. Step 4: Simplify right side
    3,142.52x = 7,568,616.55
  5. Step 5: Solve for x
    x = 7,568,616.55/3,142.52
  6. Step 6: Final answer
    x = 2,408.46

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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.