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Finding the Fourth Proportional to 2,133.10, 3,199.65 and 2,092.60

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Solution

The fourth proportional to 2,133.10, 3,199.65 and 2,092.60 is: 3,138.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133.10 : 3,199.65 = 2,092.60 : x
  2. Step 2: Convert to fraction form
    2,133.10/3,199.65 = 2,092.60/x
  3. Step 3: Cross multiply
    2,133.10x = 3,199.65 × 2,092.60
  4. Step 4: Simplify right side
    2,133.10x = 6,695,587.59
  5. Step 5: Solve for x
    x = 6,695,587.59/2,133.10
  6. Step 6: Final answer
    x = 3,138.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.