Home / 3,836.10-5,293.75-2,134.54

Finding the Fourth Proportional to 3,836.10, 5,293.75 and 2,134.54

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Solution

The fourth proportional to 3,836.10, 5,293.75 and 2,134.54 is: 2,945.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,836.10 : 5,293.75 = 2,134.54 : x
  2. Step 2: Convert to fraction form
    3,836.10/5,293.75 = 2,134.54/x
  3. Step 3: Cross multiply
    3,836.10x = 5,293.75 × 2,134.54
  4. Step 4: Simplify right side
    3,836.10x = 11,299,721.13
  5. Step 5: Solve for x
    x = 11,299,721.13/3,836.10
  6. Step 6: Final answer
    x = 2,945.63

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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.