Home / 2,969.24-4,450-1,212.19

Finding the Fourth Proportional to 2,969.24, 4,450 and 1,212.19

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Solution

The fourth proportional to 2,969.24, 4,450 and 1,212.19 is: 1,816.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,969.24 : 4,450 = 1,212.19 : x
  2. Step 2: Convert to fraction form
    2,969.24/4,450 = 1,212.19/x
  3. Step 3: Cross multiply
    2,969.24x = 4,450 × 1,212.19
  4. Step 4: Simplify right side
    2,969.24x = 5,394,245.50
  5. Step 5: Solve for x
    x = 5,394,245.50/2,969.24
  6. Step 6: Final answer
    x = 1,816.71

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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.