Home / 3,381.20-5,074.23-1,993.67

Finding the Fourth Proportional to 3,381.20, 5,074.23 and 1,993.67

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Solution

The fourth proportional to 3,381.20, 5,074.23 and 1,993.67 is: 2,991.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.20 : 5,074.23 = 1,993.67 : x
  2. Step 2: Convert to fraction form
    3,381.20/5,074.23 = 1,993.67/x
  3. Step 3: Cross multiply
    3,381.20x = 5,074.23 × 1,993.67
  4. Step 4: Simplify right side
    3,381.20x = 10,116,340.12
  5. Step 5: Solve for x
    x = 10,116,340.12/3,381.20
  6. Step 6: Final answer
    x = 2,991.94

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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.