Home / 3,183.46-4,769.54-1,330.49

Finding the Fourth Proportional to 3,183.46, 4,769.54 and 1,330.49

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Solution

The fourth proportional to 3,183.46, 4,769.54 and 1,330.49 is: 1,993.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.46 : 4,769.54 = 1,330.49 : x
  2. Step 2: Convert to fraction form
    3,183.46/4,769.54 = 1,330.49/x
  3. Step 3: Cross multiply
    3,183.46x = 4,769.54 × 1,330.49
  4. Step 4: Simplify right side
    3,183.46x = 6,345,825.27
  5. Step 5: Solve for x
    x = 6,345,825.27/3,183.46
  6. Step 6: Final answer
    x = 1,993.37

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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.