Home / 2,736.87-4,082.99-2,661.54

Finding the Fourth Proportional to 2,736.87, 4,082.99 and 2,661.54

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Solution

The fourth proportional to 2,736.87, 4,082.99 and 2,661.54 is: 3,970.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,736.87 : 4,082.99 = 2,661.54 : x
  2. Step 2: Convert to fraction form
    2,736.87/4,082.99 = 2,661.54/x
  3. Step 3: Cross multiply
    2,736.87x = 4,082.99 × 2,661.54
  4. Step 4: Simplify right side
    2,736.87x = 10,867,027.90
  5. Step 5: Solve for x
    x = 10,867,027.90/2,736.87
  6. Step 6: Final answer
    x = 3,970.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.