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Finding the Fourth Proportional to 2,551.97, 3,827.66 and 797.10

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Solution

The fourth proportional to 2,551.97, 3,827.66 and 797.10 is: 1,195.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551.97 : 3,827.66 = 797.10 : x
  2. Step 2: Convert to fraction form
    2,551.97/3,827.66 = 797.10/x
  3. Step 3: Cross multiply
    2,551.97x = 3,827.66 × 797.10
  4. Step 4: Simplify right side
    2,551.97x = 3,051,023.80
  5. Step 5: Solve for x
    x = 3,051,023.80/2,551.97
  6. Step 6: Final answer
    x = 1,195.56

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1.5x scale

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.