Home / 3,829.16-5,742.46-1,231.48

Finding the Fourth Proportional to 3,829.16, 5,742.46 and 1,231.48

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Solution

The fourth proportional to 3,829.16, 5,742.46 and 1,231.48 is: 1,846.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,829.16 : 5,742.46 = 1,231.48 : x
  2. Step 2: Convert to fraction form
    3,829.16/5,742.46 = 1,231.48/x
  3. Step 3: Cross multiply
    3,829.16x = 5,742.46 × 1,231.48
  4. Step 4: Simplify right side
    3,829.16x = 7,071,724.64
  5. Step 5: Solve for x
    x = 7,071,724.64/3,829.16
  6. Step 6: Final answer
    x = 1,846.81

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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.