Home / 2,786.32-3,844.04-1,791.46

Finding the Fourth Proportional to 2,786.32, 3,844.04 and 1,791.46

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Solution

The fourth proportional to 2,786.32, 3,844.04 and 1,791.46 is: 2,471.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786.32 : 3,844.04 = 1,791.46 : x
  2. Step 2: Convert to fraction form
    2,786.32/3,844.04 = 1,791.46/x
  3. Step 3: Cross multiply
    2,786.32x = 3,844.04 × 1,791.46
  4. Step 4: Simplify right side
    2,786.32x = 6,886,443.90
  5. Step 5: Solve for x
    x = 6,886,443.90/2,786.32
  6. Step 6: Final answer
    x = 2,471.52

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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.