Home / 4,181.60-5,771.60-2,765.56

Finding the Fourth Proportional to 4,181.60, 5,771.60 and 2,765.56

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Solution

The fourth proportional to 4,181.60, 5,771.60 and 2,765.56 is: 3,817.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,181.60 : 5,771.60 = 2,765.56 : x
  2. Step 2: Convert to fraction form
    4,181.60/5,771.60 = 2,765.56/x
  3. Step 3: Cross multiply
    4,181.60x = 5,771.60 × 2,765.56
  4. Step 4: Simplify right side
    4,181.60x = 15,961,706.10
  5. Step 5: Solve for x
    x = 15,961,706.10/4,181.60
  6. Step 6: Final answer
    x = 3,817.13

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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.