Home / 4,311.96-6,469.56-2,581.80

Finding the Fourth Proportional to 4,311.96, 6,469.56 and 2,581.80

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Solution

The fourth proportional to 4,311.96, 6,469.56 and 2,581.80 is: 3,873.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,311.96 : 6,469.56 = 2,581.80 : x
  2. Step 2: Convert to fraction form
    4,311.96/6,469.56 = 2,581.80/x
  3. Step 3: Cross multiply
    4,311.96x = 6,469.56 × 2,581.80
  4. Step 4: Simplify right side
    4,311.96x = 16,703,110.01
  5. Step 5: Solve for x
    x = 16,703,110.01/4,311.96
  6. Step 6: Final answer
    x = 3,873.67

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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.