Home / 3,829.05-5,743.35-1,231.77

Finding the Fourth Proportional to 3,829.05, 5,743.35 and 1,231.77

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Solution

The fourth proportional to 3,829.05, 5,743.35 and 1,231.77 is: 1,847.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,829.05 : 5,743.35 = 1,231.77 : x
  2. Step 2: Convert to fraction form
    3,829.05/5,743.35 = 1,231.77/x
  3. Step 3: Cross multiply
    3,829.05x = 5,743.35 × 1,231.77
  4. Step 4: Simplify right side
    3,829.05x = 7,074,486.23
  5. Step 5: Solve for x
    x = 7,074,486.23/3,829.05
  6. Step 6: Final answer
    x = 1,847.58

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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.