Home / 2,796.72-4,194.67-1,627.28

Finding the Fourth Proportional to 2,796.72, 4,194.67 and 1,627.28

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Solution

The fourth proportional to 2,796.72, 4,194.67 and 1,627.28 is: 2,440.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,796.72 : 4,194.67 = 1,627.28 : x
  2. Step 2: Convert to fraction form
    2,796.72/4,194.67 = 1,627.28/x
  3. Step 3: Cross multiply
    2,796.72x = 4,194.67 × 1,627.28
  4. Step 4: Simplify right side
    2,796.72x = 6,825,902.60
  5. Step 5: Solve for x
    x = 6,825,902.60/2,796.72
  6. Step 6: Final answer
    x = 2,440.68

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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.