Home / 2,836.74-3,911.64-2,388.54

Finding the Fourth Proportional to 2,836.74, 3,911.64 and 2,388.54

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Solution

The fourth proportional to 2,836.74, 3,911.64 and 2,388.54 is: 3,293.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836.74 : 3,911.64 = 2,388.54 : x
  2. Step 2: Convert to fraction form
    2,836.74/3,911.64 = 2,388.54/x
  3. Step 3: Cross multiply
    2,836.74x = 3,911.64 × 2,388.54
  4. Step 4: Simplify right side
    2,836.74x = 9,343,108.61
  5. Step 5: Solve for x
    x = 9,343,108.61/2,836.74
  6. Step 6: Final answer
    x = 3,293.61

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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.