Home / 2,723.20-4,086.86-1,994.67

Finding the Fourth Proportional to 2,723.20, 4,086.86 and 1,994.67

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Solution

The fourth proportional to 2,723.20, 4,086.86 and 1,994.67 is: 2,993.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,723.20 : 4,086.86 = 1,994.67 : x
  2. Step 2: Convert to fraction form
    2,723.20/4,086.86 = 1,994.67/x
  3. Step 3: Cross multiply
    2,723.20x = 4,086.86 × 1,994.67
  4. Step 4: Simplify right side
    2,723.20x = 8,151,937.04
  5. Step 5: Solve for x
    x = 8,151,937.04/2,723.20
  6. Step 6: Final answer
    x = 2,993.51

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1.5x scale

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.