Home / 2,087.44-3,131.72-1,717.84

Finding the Fourth Proportional to 2,087.44, 3,131.72 and 1,717.84

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Solution

The fourth proportional to 2,087.44, 3,131.72 and 1,717.84 is: 2,577.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087.44 : 3,131.72 = 1,717.84 : x
  2. Step 2: Convert to fraction form
    2,087.44/3,131.72 = 1,717.84/x
  3. Step 3: Cross multiply
    2,087.44x = 3,131.72 × 1,717.84
  4. Step 4: Simplify right side
    2,087.44x = 5,379,793.88
  5. Step 5: Solve for x
    x = 5,379,793.88/2,087.44
  6. Step 6: Final answer
    x = 2,577.22

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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.