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Finding the Fourth Proportional to 2,792.70, 3,851.96 and 1,847.97

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Solution

The fourth proportional to 2,792.70, 3,851.96 and 1,847.97 is: 2,548.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792.70 : 3,851.96 = 1,847.97 : x
  2. Step 2: Convert to fraction form
    2,792.70/3,851.96 = 1,847.97/x
  3. Step 3: Cross multiply
    2,792.70x = 3,851.96 × 1,847.97
  4. Step 4: Simplify right side
    2,792.70x = 7,118,297.28
  5. Step 5: Solve for x
    x = 7,118,297.28/2,792.70
  6. Step 6: Final answer
    x = 2,548.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.