Home / 3,188.87-4,399.62-2,598.38

Finding the Fourth Proportional to 3,188.87, 4,399.62 and 2,598.38

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Solution

The fourth proportional to 3,188.87, 4,399.62 and 2,598.38 is: 3,584.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188.87 : 4,399.62 = 2,598.38 : x
  2. Step 2: Convert to fraction form
    3,188.87/4,399.62 = 2,598.38/x
  3. Step 3: Cross multiply
    3,188.87x = 4,399.62 × 2,598.38
  4. Step 4: Simplify right side
    3,188.87x = 11,431,884.62
  5. Step 5: Solve for x
    x = 11,431,884.62/3,188.87
  6. Step 6: Final answer
    x = 3,584.93

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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.