Home / 3,161.92-4,363.38-1,745.52

Finding the Fourth Proportional to 3,161.92, 4,363.38 and 1,745.52

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Solution

The fourth proportional to 3,161.92, 4,363.38 and 1,745.52 is: 2,408.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161.92 : 4,363.38 = 1,745.52 : x
  2. Step 2: Convert to fraction form
    3,161.92/4,363.38 = 1,745.52/x
  3. Step 3: Cross multiply
    3,161.92x = 4,363.38 × 1,745.52
  4. Step 4: Simplify right side
    3,161.92x = 7,616,360.51
  5. Step 5: Solve for x
    x = 7,616,360.51/3,161.92
  6. Step 6: Final answer
    x = 2,408.78

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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.