Home / 3,201.62-4,791.27-2,215.46

Finding the Fourth Proportional to 3,201.62, 4,791.27 and 2,215.46

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Solution

The fourth proportional to 3,201.62, 4,791.27 and 2,215.46 is: 3,315.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201.62 : 4,791.27 = 2,215.46 : x
  2. Step 2: Convert to fraction form
    3,201.62/4,791.27 = 2,215.46/x
  3. Step 3: Cross multiply
    3,201.62x = 4,791.27 × 2,215.46
  4. Step 4: Simplify right side
    3,201.62x = 10,614,867.03
  5. Step 5: Solve for x
    x = 10,614,867.03/3,201.62
  6. Step 6: Final answer
    x = 3,315.47

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1.5x scale

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.