Home / 3,820.44-5,731.26-1,222.74

Finding the Fourth Proportional to 3,820.44, 5,731.26 and 1,222.74

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Solution

The fourth proportional to 3,820.44, 5,731.26 and 1,222.74 is: 1,834.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820.44 : 5,731.26 = 1,222.74 : x
  2. Step 2: Convert to fraction form
    3,820.44/5,731.26 = 1,222.74/x
  3. Step 3: Cross multiply
    3,820.44x = 5,731.26 × 1,222.74
  4. Step 4: Simplify right side
    3,820.44x = 7,007,840.85
  5. Step 5: Solve for x
    x = 7,007,840.85/3,820.44
  6. Step 6: Final answer
    x = 1,834.30

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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.