Home / 2,972.82-4,451.92-1,803.44

Finding the Fourth Proportional to 2,972.82, 4,451.92 and 1,803.44

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Solution

The fourth proportional to 2,972.82, 4,451.92 and 1,803.44 is: 2,700.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972.82 : 4,451.92 = 1,803.44 : x
  2. Step 2: Convert to fraction form
    2,972.82/4,451.92 = 1,803.44/x
  3. Step 3: Cross multiply
    2,972.82x = 4,451.92 × 1,803.44
  4. Step 4: Simplify right side
    2,972.82x = 8,028,770.60
  5. Step 5: Solve for x
    x = 8,028,770.60/2,972.82
  6. Step 6: Final answer
    x = 2,700.73

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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.