Home / 3,829.22-5,744.50-1,979.83

Finding the Fourth Proportional to 3,829.22, 5,744.50 and 1,979.83

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Solution

The fourth proportional to 3,829.22, 5,744.50 and 1,979.83 is: 2,970.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,829.22 : 5,744.50 = 1,979.83 : x
  2. Step 2: Convert to fraction form
    3,829.22/5,744.50 = 1,979.83/x
  3. Step 3: Cross multiply
    3,829.22x = 5,744.50 × 1,979.83
  4. Step 4: Simplify right side
    3,829.22x = 11,373,114.12
  5. Step 5: Solve for x
    x = 11,373,114.12/3,829.22
  6. Step 6: Final answer
    x = 2,970.09

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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.