Home / 3,321.46-4,984.26-1,861.54

Finding the Fourth Proportional to 3,321.46, 4,984.26 and 1,861.54

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Solution

The fourth proportional to 3,321.46, 4,984.26 and 1,861.54 is: 2,793.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321.46 : 4,984.26 = 1,861.54 : x
  2. Step 2: Convert to fraction form
    3,321.46/4,984.26 = 1,861.54/x
  3. Step 3: Cross multiply
    3,321.46x = 4,984.26 × 1,861.54
  4. Step 4: Simplify right side
    3,321.46x = 9,278,399.36
  5. Step 5: Solve for x
    x = 9,278,399.36/3,321.46
  6. Step 6: Final answer
    x = 2,793.47

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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.