Home / 3,819.27-5,729.10-1,222

Finding the Fourth Proportional to 3,819.27, 5,729.10 and 1,222

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Solution

The fourth proportional to 3,819.27, 5,729.10 and 1,222 is: 1,833.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819.27 : 5,729.10 = 1,222 : x
  2. Step 2: Convert to fraction form
    3,819.27/5,729.10 = 1,222/x
  3. Step 3: Cross multiply
    3,819.27x = 5,729.10 × 1,222
  4. Step 4: Simplify right side
    3,819.27x = 7,000,960.20
  5. Step 5: Solve for x
    x = 7,000,960.20/3,819.27
  6. Step 6: Final answer
    x = 1,833.06

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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.