Home / 3,231.29-4,842.78-2,813.10

Finding the Fourth Proportional to 3,231.29, 4,842.78 and 2,813.10

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Solution

The fourth proportional to 3,231.29, 4,842.78 and 2,813.10 is: 4,216.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.29 : 4,842.78 = 2,813.10 : x
  2. Step 2: Convert to fraction form
    3,231.29/4,842.78 = 2,813.10/x
  3. Step 3: Cross multiply
    3,231.29x = 4,842.78 × 2,813.10
  4. Step 4: Simplify right side
    3,231.29x = 13,623,224.42
  5. Step 5: Solve for x
    x = 13,623,224.42/3,231.29
  6. Step 6: Final answer
    x = 4,216.04

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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.