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Finding the Fourth Proportional to 3,083.94, 4,618.94 and 2,163.62

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Solution

The fourth proportional to 3,083.94, 4,618.94 and 2,163.62 is: 3,240.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,083.94 : 4,618.94 = 2,163.62 : x
  2. Step 2: Convert to fraction form
    3,083.94/4,618.94 = 2,163.62/x
  3. Step 3: Cross multiply
    3,083.94x = 4,618.94 × 2,163.62
  4. Step 4: Simplify right side
    3,083.94x = 9,993,631.69
  5. Step 5: Solve for x
    x = 9,993,631.69/3,083.94
  6. Step 6: Final answer
    x = 3,240.54

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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.