Home / 3,196.80-4,796.40-1,441.28

Finding the Fourth Proportional to 3,196.80, 4,796.40 and 1,441.28

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Solution

The fourth proportional to 3,196.80, 4,796.40 and 1,441.28 is: 2,162.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,196.80 : 4,796.40 = 1,441.28 : x
  2. Step 2: Convert to fraction form
    3,196.80/4,796.40 = 1,441.28/x
  3. Step 3: Cross multiply
    3,196.80x = 4,796.40 × 1,441.28
  4. Step 4: Simplify right side
    3,196.80x = 6,912,937.70
  5. Step 5: Solve for x
    x = 6,912,937.70/3,196.80
  6. Step 6: Final answer
    x = 2,162.46

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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.