Home / 2,181.03-3,270.51-793.39

Finding the Fourth Proportional to 2,181.03, 3,270.51 and 793.39

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Solution

The fourth proportional to 2,181.03, 3,270.51 and 793.39 is: 1,189.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181.03 : 3,270.51 = 793.39 : x
  2. Step 2: Convert to fraction form
    2,181.03/3,270.51 = 793.39/x
  3. Step 3: Cross multiply
    2,181.03x = 3,270.51 × 793.39
  4. Step 4: Simplify right side
    2,181.03x = 2,594,789.93
  5. Step 5: Solve for x
    x = 2,594,789.93/2,181.03
  6. Step 6: Final answer
    x = 1,189.71

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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.