Home / 3,217.87-4,805.39-3,183.08

Finding the Fourth Proportional to 3,217.87, 4,805.39 and 3,183.08

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Solution

The fourth proportional to 3,217.87, 4,805.39 and 3,183.08 is: 4,753.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.87 : 4,805.39 = 3,183.08 : x
  2. Step 2: Convert to fraction form
    3,217.87/4,805.39 = 3,183.08/x
  3. Step 3: Cross multiply
    3,217.87x = 4,805.39 × 3,183.08
  4. Step 4: Simplify right side
    3,217.87x = 15,295,900.86
  5. Step 5: Solve for x
    x = 15,295,900.86/3,217.87
  6. Step 6: Final answer
    x = 4,753.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.