Home / 3,222.74-4,834.19-2,119.19

Finding the Fourth Proportional to 3,222.74, 4,834.19 and 2,119.19

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Solution

The fourth proportional to 3,222.74, 4,834.19 and 2,119.19 is: 3,178.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222.74 : 4,834.19 = 2,119.19 : x
  2. Step 2: Convert to fraction form
    3,222.74/4,834.19 = 2,119.19/x
  3. Step 3: Cross multiply
    3,222.74x = 4,834.19 × 2,119.19
  4. Step 4: Simplify right side
    3,222.74x = 10,244,556.51
  5. Step 5: Solve for x
    x = 10,244,556.51/3,222.74
  6. Step 6: Final answer
    x = 3,178.83

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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.