Home / 3,161.20-4,362.61-1,745.04

Finding the Fourth Proportional to 3,161.20, 4,362.61 and 1,745.04

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Solution

The fourth proportional to 3,161.20, 4,362.61 and 1,745.04 is: 2,408.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161.20 : 4,362.61 = 1,745.04 : x
  2. Step 2: Convert to fraction form
    3,161.20/4,362.61 = 1,745.04/x
  3. Step 3: Cross multiply
    3,161.20x = 4,362.61 × 1,745.04
  4. Step 4: Simplify right side
    3,161.20x = 7,612,944.22
  5. Step 5: Solve for x
    x = 7,612,944.22/3,161.20
  6. Step 6: Final answer
    x = 2,408.24

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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.