Home / 3,786.24-5,222.88-2,214

Finding the Fourth Proportional to 3,786.24, 5,222.88 and 2,214

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Solution

The fourth proportional to 3,786.24, 5,222.88 and 2,214 is: 3,054.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,786.24 : 5,222.88 = 2,214 : x
  2. Step 2: Convert to fraction form
    3,786.24/5,222.88 = 2,214/x
  3. Step 3: Cross multiply
    3,786.24x = 5,222.88 × 2,214
  4. Step 4: Simplify right side
    3,786.24x = 11,563,456.32
  5. Step 5: Solve for x
    x = 11,563,456.32/3,786.24
  6. Step 6: Final answer
    x = 3,054.07

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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.