Home / 3,173.44-4,378.83-1,993.67

Finding the Fourth Proportional to 3,173.44, 4,378.83 and 1,993.67

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Solution

The fourth proportional to 3,173.44, 4,378.83 and 1,993.67 is: 2,750.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,173.44 : 4,378.83 = 1,993.67 : x
  2. Step 2: Convert to fraction form
    3,173.44/4,378.83 = 1,993.67/x
  3. Step 3: Cross multiply
    3,173.44x = 4,378.83 × 1,993.67
  4. Step 4: Simplify right side
    3,173.44x = 8,729,932.04
  5. Step 5: Solve for x
    x = 8,729,932.04/3,173.44
  6. Step 6: Final answer
    x = 2,750.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.