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Finding the Fourth Proportional to 2,692.64, 4,014.10 and 2,650.52

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Solution

The fourth proportional to 2,692.64, 4,014.10 and 2,650.52 is: 3,951.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,692.64 : 4,014.10 = 2,650.52 : x
  2. Step 2: Convert to fraction form
    2,692.64/4,014.10 = 2,650.52/x
  3. Step 3: Cross multiply
    2,692.64x = 4,014.10 × 2,650.52
  4. Step 4: Simplify right side
    2,692.64x = 10,639,452.33
  5. Step 5: Solve for x
    x = 10,639,452.33/2,692.64
  6. Step 6: Final answer
    x = 3,951.31

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.