Home / 3,819.09-5,729.61-1,222.02

Finding the Fourth Proportional to 3,819.09, 5,729.61 and 1,222.02

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Solution

The fourth proportional to 3,819.09, 5,729.61 and 1,222.02 is: 1,833.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819.09 : 5,729.61 = 1,222.02 : x
  2. Step 2: Convert to fraction form
    3,819.09/5,729.61 = 1,222.02/x
  3. Step 3: Cross multiply
    3,819.09x = 5,729.61 × 1,222.02
  4. Step 4: Simplify right side
    3,819.09x = 7,001,698.01
  5. Step 5: Solve for x
    x = 7,001,698.01/3,819.09
  6. Step 6: Final answer
    x = 1,833.34

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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.