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Finding the Fourth Proportional to 2,760.97, 3,810.14 and 1,518.97

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Solution

The fourth proportional to 2,760.97, 3,810.14 and 1,518.97 is: 2,096.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760.97 : 3,810.14 = 1,518.97 : x
  2. Step 2: Convert to fraction form
    2,760.97/3,810.14 = 1,518.97/x
  3. Step 3: Cross multiply
    2,760.97x = 3,810.14 × 1,518.97
  4. Step 4: Simplify right side
    2,760.97x = 5,787,488.36
  5. Step 5: Solve for x
    x = 5,787,488.36/2,760.97
  6. Step 6: Final answer
    x = 2,096.18

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1.5x scale

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.