Home / 3,784.22-5,223.37-2,458.12

Finding the Fourth Proportional to 3,784.22, 5,223.37 and 2,458.12

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Solution

The fourth proportional to 3,784.22, 5,223.37 and 2,458.12 is: 3,392.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,784.22 : 5,223.37 = 2,458.12 : x
  2. Step 2: Convert to fraction form
    3,784.22/5,223.37 = 2,458.12/x
  3. Step 3: Cross multiply
    3,784.22x = 5,223.37 × 2,458.12
  4. Step 4: Simplify right side
    3,784.22x = 12,839,660.28
  5. Step 5: Solve for x
    x = 12,839,660.28/3,784.22
  6. Step 6: Final answer
    x = 3,392.95

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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.