Home / 2,723.20-4,086.87-1,994.68

Finding the Fourth Proportional to 2,723.20, 4,086.87 and 1,994.68

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Solution

The fourth proportional to 2,723.20, 4,086.87 and 1,994.68 is: 2,993.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,723.20 : 4,086.87 = 1,994.68 : x
  2. Step 2: Convert to fraction form
    2,723.20/4,086.87 = 1,994.68/x
  3. Step 3: Cross multiply
    2,723.20x = 4,086.87 × 1,994.68
  4. Step 4: Simplify right side
    2,723.20x = 8,151,997.85
  5. Step 5: Solve for x
    x = 8,151,997.85/2,723.20
  6. Step 6: Final answer
    x = 2,993.54

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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.