Home / 3,183.21-4,774.94-1,208.63

Finding the Fourth Proportional to 3,183.21, 4,774.94 and 1,208.63

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Solution

The fourth proportional to 3,183.21, 4,774.94 and 1,208.63 is: 1,812.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.21 : 4,774.94 = 1,208.63 : x
  2. Step 2: Convert to fraction form
    3,183.21/4,774.94 = 1,208.63/x
  3. Step 3: Cross multiply
    3,183.21x = 4,774.94 × 1,208.63
  4. Step 4: Simplify right side
    3,183.21x = 5,771,135.73
  5. Step 5: Solve for x
    x = 5,771,135.73/3,183.21
  6. Step 6: Final answer
    x = 1,812.99

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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.