Home / 3,219.64-4,794.67-3,183.19

Finding the Fourth Proportional to 3,219.64, 4,794.67 and 3,183.19

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Solution

The fourth proportional to 3,219.64, 4,794.67 and 3,183.19 is: 4,740.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.64 : 4,794.67 = 3,183.19 : x
  2. Step 2: Convert to fraction form
    3,219.64/4,794.67 = 3,183.19/x
  3. Step 3: Cross multiply
    3,219.64x = 4,794.67 × 3,183.19
  4. Step 4: Simplify right side
    3,219.64x = 15,262,345.60
  5. Step 5: Solve for x
    x = 15,262,345.60/3,219.64
  6. Step 6: Final answer
    x = 4,740.39

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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.