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Finding the Fourth Proportional to 3,795, 5,692.48 and 1,197.90

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Solution

The fourth proportional to 3,795, 5,692.48 and 1,197.90 is: 1,796.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,795 : 5,692.48 = 1,197.90 : x
  2. Step 2: Convert to fraction form
    3,795/5,692.48 = 1,197.90/x
  3. Step 3: Cross multiply
    3,795x = 5,692.48 × 1,197.90
  4. Step 4: Simplify right side
    3,795x = 6,819,021.79
  5. Step 5: Solve for x
    x = 6,819,021.79/3,795
  6. Step 6: Final answer
    x = 1,796.84

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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.