Home / 3,268.56-4,497.44-3,190.80

Finding the Fourth Proportional to 3,268.56, 4,497.44 and 3,190.80

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Solution

The fourth proportional to 3,268.56, 4,497.44 and 3,190.80 is: 4,390.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,268.56 : 4,497.44 = 3,190.80 : x
  2. Step 2: Convert to fraction form
    3,268.56/4,497.44 = 3,190.80/x
  3. Step 3: Cross multiply
    3,268.56x = 4,497.44 × 3,190.80
  4. Step 4: Simplify right side
    3,268.56x = 14,350,431.55
  5. Step 5: Solve for x
    x = 14,350,431.55/3,268.56
  6. Step 6: Final answer
    x = 4,390.44

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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.