Home / 4,190.42-6,286.44-1,999.32

Finding the Fourth Proportional to 4,190.42, 6,286.44 and 1,999.32

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Solution

The fourth proportional to 4,190.42, 6,286.44 and 1,999.32 is: 2,999.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,190.42 : 6,286.44 = 1,999.32 : x
  2. Step 2: Convert to fraction form
    4,190.42/6,286.44 = 1,999.32/x
  3. Step 3: Cross multiply
    4,190.42x = 6,286.44 × 1,999.32
  4. Step 4: Simplify right side
    4,190.42x = 12,568,605.22
  5. Step 5: Solve for x
    x = 12,568,605.22/4,190.42
  6. Step 6: Final answer
    x = 2,999.37

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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.