Home / 3,692.12-5,539.80-1,936.70

Finding the Fourth Proportional to 3,692.12, 5,539.80 and 1,936.70

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Solution

The fourth proportional to 3,692.12, 5,539.80 and 1,936.70 is: 2,905.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,692.12 : 5,539.80 = 1,936.70 : x
  2. Step 2: Convert to fraction form
    3,692.12/5,539.80 = 1,936.70/x
  3. Step 3: Cross multiply
    3,692.12x = 5,539.80 × 1,936.70
  4. Step 4: Simplify right side
    3,692.12x = 10,728,930.66
  5. Step 5: Solve for x
    x = 10,728,930.66/3,692.12
  6. Step 6: Final answer
    x = 2,905.90

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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.