Home / 3,231.42-4,851.90-1,995.27

Finding the Fourth Proportional to 3,231.42, 4,851.90 and 1,995.27

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Solution

The fourth proportional to 3,231.42, 4,851.90 and 1,995.27 is: 2,995.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.42 : 4,851.90 = 1,995.27 : x
  2. Step 2: Convert to fraction form
    3,231.42/4,851.90 = 1,995.27/x
  3. Step 3: Cross multiply
    3,231.42x = 4,851.90 × 1,995.27
  4. Step 4: Simplify right side
    3,231.42x = 9,680,850.51
  5. Step 5: Solve for x
    x = 9,680,850.51/3,231.42
  6. Step 6: Final answer
    x = 2,995.85

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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.