Home / 2,786.25-3,844.99-1,527.29

Finding the Fourth Proportional to 2,786.25, 3,844.99 and 1,527.29

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Solution

The fourth proportional to 2,786.25, 3,844.99 and 1,527.29 is: 2,107.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786.25 : 3,844.99 = 1,527.29 : x
  2. Step 2: Convert to fraction form
    2,786.25/3,844.99 = 1,527.29/x
  3. Step 3: Cross multiply
    2,786.25x = 3,844.99 × 1,527.29
  4. Step 4: Simplify right side
    2,786.25x = 5,872,414.78
  5. Step 5: Solve for x
    x = 5,872,414.78/2,786.25
  6. Step 6: Final answer
    x = 2,107.64

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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.