Home / 3,183.94-4,775.10-2,143.36

Finding the Fourth Proportional to 3,183.94, 4,775.10 and 2,143.36

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Solution

The fourth proportional to 3,183.94, 4,775.10 and 2,143.36 is: 3,214.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.94 : 4,775.10 = 2,143.36 : x
  2. Step 2: Convert to fraction form
    3,183.94/4,775.10 = 2,143.36/x
  3. Step 3: Cross multiply
    3,183.94x = 4,775.10 × 2,143.36
  4. Step 4: Simplify right side
    3,183.94x = 10,234,758.34
  5. Step 5: Solve for x
    x = 10,234,758.34/3,183.94
  6. Step 6: Final answer
    x = 3,214.49

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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.