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Finding the Fourth Proportional to 3,166.16, 4,747.62 and 1,850.36

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Solution

The fourth proportional to 3,166.16, 4,747.62 and 1,850.36 is: 2,774.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,166.16 : 4,747.62 = 1,850.36 : x
  2. Step 2: Convert to fraction form
    3,166.16/4,747.62 = 1,850.36/x
  3. Step 3: Cross multiply
    3,166.16x = 4,747.62 × 1,850.36
  4. Step 4: Simplify right side
    3,166.16x = 8,784,806.14
  5. Step 5: Solve for x
    x = 8,784,806.14/3,166.16
  6. Step 6: Final answer
    x = 2,774.59

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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.