Home / 3,832.65-5,285.75-2,992.05

Finding the Fourth Proportional to 3,832.65, 5,285.75 and 2,992.05

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Solution

The fourth proportional to 3,832.65, 5,285.75 and 2,992.05 is: 4,126.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,832.65 : 5,285.75 = 2,992.05 : x
  2. Step 2: Convert to fraction form
    3,832.65/5,285.75 = 2,992.05/x
  3. Step 3: Cross multiply
    3,832.65x = 5,285.75 × 2,992.05
  4. Step 4: Simplify right side
    3,832.65x = 15,815,213.33
  5. Step 5: Solve for x
    x = 15,815,213.33/3,832.65
  6. Step 6: Final answer
    x = 4,126.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.