Home / 3,190.09-4,781.71-1,544.37

Finding the Fourth Proportional to 3,190.09, 4,781.71 and 1,544.37

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Solution

The fourth proportional to 3,190.09, 4,781.71 and 1,544.37 is: 2,314.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.09 : 4,781.71 = 1,544.37 : x
  2. Step 2: Convert to fraction form
    3,190.09/4,781.71 = 1,544.37/x
  3. Step 3: Cross multiply
    3,190.09x = 4,781.71 × 1,544.37
  4. Step 4: Simplify right side
    3,190.09x = 7,384,722.44
  5. Step 5: Solve for x
    x = 7,384,722.44/3,190.09
  6. Step 6: Final answer
    x = 2,314.90

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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.