Home / 4,181.55-5,770.57-2,855.22

Finding the Fourth Proportional to 4,181.55, 5,770.57 and 2,855.22

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Solution

The fourth proportional to 4,181.55, 5,770.57 and 2,855.22 is: 3,940.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,181.55 : 5,770.57 = 2,855.22 : x
  2. Step 2: Convert to fraction form
    4,181.55/5,770.57 = 2,855.22/x
  3. Step 3: Cross multiply
    4,181.55x = 5,770.57 × 2,855.22
  4. Step 4: Simplify right side
    4,181.55x = 16,476,246.88
  5. Step 5: Solve for x
    x = 16,476,246.88/4,181.55
  6. Step 6: Final answer
    x = 3,940.22

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1.5x scale

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.