Home / 3,163.10-4,744.20-1,083.20

Finding the Fourth Proportional to 3,163.10, 4,744.20 and 1,083.20

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Solution

The fourth proportional to 3,163.10, 4,744.20 and 1,083.20 is: 1,624.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.10 : 4,744.20 = 1,083.20 : x
  2. Step 2: Convert to fraction form
    3,163.10/4,744.20 = 1,083.20/x
  3. Step 3: Cross multiply
    3,163.10x = 4,744.20 × 1,083.20
  4. Step 4: Simplify right side
    3,163.10x = 5,138,917.44
  5. Step 5: Solve for x
    x = 5,138,917.44/3,163.10
  6. Step 6: Final answer
    x = 1,624.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.