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Finding the Fourth Proportional to 2,793, 3,861.62 and 2,670.60

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Solution

The fourth proportional to 2,793, 3,861.62 and 2,670.60 is: 3,692.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,793 : 3,861.62 = 2,670.60 : x
  2. Step 2: Convert to fraction form
    2,793/3,861.62 = 2,670.60/x
  3. Step 3: Cross multiply
    2,793x = 3,861.62 × 2,670.60
  4. Step 4: Simplify right side
    2,793x = 10,312,842.37
  5. Step 5: Solve for x
    x = 10,312,842.37/2,793
  6. Step 6: Final answer
    x = 3,692.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.