Home / 2,786.65-3,845.41-1,527.48

Finding the Fourth Proportional to 2,786.65, 3,845.41 and 1,527.48

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Solution

The fourth proportional to 2,786.65, 3,845.41 and 1,527.48 is: 2,107.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786.65 : 3,845.41 = 1,527.48 : x
  2. Step 2: Convert to fraction form
    2,786.65/3,845.41 = 1,527.48/x
  3. Step 3: Cross multiply
    2,786.65x = 3,845.41 × 1,527.48
  4. Step 4: Simplify right side
    2,786.65x = 5,873,783.05
  5. Step 5: Solve for x
    x = 5,873,783.05/2,786.65
  6. Step 6: Final answer
    x = 2,107.83

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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.