Home / 3,600.36-5,393.34-2,861.21

Finding the Fourth Proportional to 3,600.36, 5,393.34 and 2,861.21

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Solution

The fourth proportional to 3,600.36, 5,393.34 and 2,861.21 is: 4,286.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,600.36 : 5,393.34 = 2,861.21 : x
  2. Step 2: Convert to fraction form
    3,600.36/5,393.34 = 2,861.21/x
  3. Step 3: Cross multiply
    3,600.36x = 5,393.34 × 2,861.21
  4. Step 4: Simplify right side
    3,600.36x = 15,431,451.37
  5. Step 5: Solve for x
    x = 15,431,451.37/3,600.36
  6. Step 6: Final answer
    x = 4,286.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.