Home / 3,682.55-5,082.09-2,110.64

Finding the Fourth Proportional to 3,682.55, 5,082.09 and 2,110.64

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Solution

The fourth proportional to 3,682.55, 5,082.09 and 2,110.64 is: 2,912.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,682.55 : 5,082.09 = 2,110.64 : x
  2. Step 2: Convert to fraction form
    3,682.55/5,082.09 = 2,110.64/x
  3. Step 3: Cross multiply
    3,682.55x = 5,082.09 × 2,110.64
  4. Step 4: Simplify right side
    3,682.55x = 10,726,475.14
  5. Step 5: Solve for x
    x = 10,726,475.14/3,682.55
  6. Step 6: Final answer
    x = 2,912.79

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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.