Home / 3,231.68-4,840.14-1,930.48

Finding the Fourth Proportional to 3,231.68, 4,840.14 and 1,930.48

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Solution

The fourth proportional to 3,231.68, 4,840.14 and 1,930.48 is: 2,891.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.68 : 4,840.14 = 1,930.48 : x
  2. Step 2: Convert to fraction form
    3,231.68/4,840.14 = 1,930.48/x
  3. Step 3: Cross multiply
    3,231.68x = 4,840.14 × 1,930.48
  4. Step 4: Simplify right side
    3,231.68x = 9,343,793.47
  5. Step 5: Solve for x
    x = 9,343,793.47/3,231.68
  6. Step 6: Final answer
    x = 2,891.31

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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.