Home / 2,786.52-3,849.75-2,371.32

Finding the Fourth Proportional to 2,786.52, 3,849.75 and 2,371.32

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Solution

The fourth proportional to 2,786.52, 3,849.75 and 2,371.32 is: 3,276.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786.52 : 3,849.75 = 2,371.32 : x
  2. Step 2: Convert to fraction form
    2,786.52/3,849.75 = 2,371.32/x
  3. Step 3: Cross multiply
    2,786.52x = 3,849.75 × 2,371.32
  4. Step 4: Simplify right side
    2,786.52x = 9,128,989.17
  5. Step 5: Solve for x
    x = 9,128,989.17/2,786.52
  6. Step 6: Final answer
    x = 3,276.13

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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.