Home / 2,825-4,240.20-1,181.11

Finding the Fourth Proportional to 2,825, 4,240.20 and 1,181.11

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Solution

The fourth proportional to 2,825, 4,240.20 and 1,181.11 is: 1,772.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825 : 4,240.20 = 1,181.11 : x
  2. Step 2: Convert to fraction form
    2,825/4,240.20 = 1,181.11/x
  3. Step 3: Cross multiply
    2,825x = 4,240.20 × 1,181.11
  4. Step 4: Simplify right side
    2,825x = 5,008,142.62
  5. Step 5: Solve for x
    x = 5,008,142.62/2,825
  6. Step 6: Final answer
    x = 1,772.79

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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.