Home / 3,186.54-4,399.57-2,439.16

Finding the Fourth Proportional to 3,186.54, 4,399.57 and 2,439.16

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Solution

The fourth proportional to 3,186.54, 4,399.57 and 2,439.16 is: 3,367.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.54 : 4,399.57 = 2,439.16 : x
  2. Step 2: Convert to fraction form
    3,186.54/4,399.57 = 2,439.16/x
  3. Step 3: Cross multiply
    3,186.54x = 4,399.57 × 2,439.16
  4. Step 4: Simplify right side
    3,186.54x = 10,731,255.16
  5. Step 5: Solve for x
    x = 10,731,255.16/3,186.54
  6. Step 6: Final answer
    x = 3,367.68

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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.