Home / 3,836.52-5,756.91-2,917.80

Finding the Fourth Proportional to 3,836.52, 5,756.91 and 2,917.80

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Solution

The fourth proportional to 3,836.52, 5,756.91 and 2,917.80 is: 4,378.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,836.52 : 5,756.91 = 2,917.80 : x
  2. Step 2: Convert to fraction form
    3,836.52/5,756.91 = 2,917.80/x
  3. Step 3: Cross multiply
    3,836.52x = 5,756.91 × 2,917.80
  4. Step 4: Simplify right side
    3,836.52x = 16,797,512.00
  5. Step 5: Solve for x
    x = 16,797,512.00/3,836.52
  6. Step 6: Final answer
    x = 4,378.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.