Home / 2,757.44-4,131.91-1,715.88

Finding the Fourth Proportional to 2,757.44, 4,131.91 and 1,715.88

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Solution

The fourth proportional to 2,757.44, 4,131.91 and 1,715.88 is: 2,571.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,757.44 : 4,131.91 = 1,715.88 : x
  2. Step 2: Convert to fraction form
    2,757.44/4,131.91 = 1,715.88/x
  3. Step 3: Cross multiply
    2,757.44x = 4,131.91 × 1,715.88
  4. Step 4: Simplify right side
    2,757.44x = 7,089,879.37
  5. Step 5: Solve for x
    x = 7,089,879.37/2,757.44
  6. Step 6: Final answer
    x = 2,571.18

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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.