Home / 3,231.30-4,832.55-2,712.90

Finding the Fourth Proportional to 3,231.30, 4,832.55 and 2,712.90

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Solution

The fourth proportional to 3,231.30, 4,832.55 and 2,712.90 is: 4,057.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.30 : 4,832.55 = 2,712.90 : x
  2. Step 2: Convert to fraction form
    3,231.30/4,832.55 = 2,712.90/x
  3. Step 3: Cross multiply
    3,231.30x = 4,832.55 × 2,712.90
  4. Step 4: Simplify right side
    3,231.30x = 13,110,224.90
  5. Step 5: Solve for x
    x = 13,110,224.90/3,231.30
  6. Step 6: Final answer
    x = 4,057.26

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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.