Home / 3,106.54-4,286.91-2,223.82

Finding the Fourth Proportional to 3,106.54, 4,286.91 and 2,223.82

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Solution

The fourth proportional to 3,106.54, 4,286.91 and 2,223.82 is: 3,068.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,106.54 : 4,286.91 = 2,223.82 : x
  2. Step 2: Convert to fraction form
    3,106.54/4,286.91 = 2,223.82/x
  3. Step 3: Cross multiply
    3,106.54x = 4,286.91 × 2,223.82
  4. Step 4: Simplify right side
    3,106.54x = 9,533,316.20
  5. Step 5: Solve for x
    x = 9,533,316.20/3,106.54
  6. Step 6: Final answer
    x = 3,068.79

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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.