Home / 3,736.96-5,163.60-2,957.20

Finding the Fourth Proportional to 3,736.96, 5,163.60 and 2,957.20

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Solution

The fourth proportional to 3,736.96, 5,163.60 and 2,957.20 is: 4,086.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,736.96 : 5,163.60 = 2,957.20 : x
  2. Step 2: Convert to fraction form
    3,736.96/5,163.60 = 2,957.20/x
  3. Step 3: Cross multiply
    3,736.96x = 5,163.60 × 2,957.20
  4. Step 4: Simplify right side
    3,736.96x = 15,269,797.92
  5. Step 5: Solve for x
    x = 15,269,797.92/3,736.96
  6. Step 6: Final answer
    x = 4,086.16

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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.