Home / 2,735.44-4,102.20-2,186.32

Finding the Fourth Proportional to 2,735.44, 4,102.20 and 2,186.32

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Solution

The fourth proportional to 2,735.44, 4,102.20 and 2,186.32 is: 3,278.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,735.44 : 4,102.20 = 2,186.32 : x
  2. Step 2: Convert to fraction form
    2,735.44/4,102.20 = 2,186.32/x
  3. Step 3: Cross multiply
    2,735.44x = 4,102.20 × 2,186.32
  4. Step 4: Simplify right side
    2,735.44x = 8,968,721.90
  5. Step 5: Solve for x
    x = 8,968,721.90/2,735.44
  6. Step 6: Final answer
    x = 3,278.71

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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.