Home / 3,721.08-5,134.23-2,228.43

Finding the Fourth Proportional to 3,721.08, 5,134.23 and 2,228.43

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Solution

The fourth proportional to 3,721.08, 5,134.23 and 2,228.43 is: 3,074.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721.08 : 5,134.23 = 2,228.43 : x
  2. Step 2: Convert to fraction form
    3,721.08/5,134.23 = 2,228.43/x
  3. Step 3: Cross multiply
    3,721.08x = 5,134.23 × 2,228.43
  4. Step 4: Simplify right side
    3,721.08x = 11,441,272.16
  5. Step 5: Solve for x
    x = 11,441,272.16/3,721.08
  6. Step 6: Final answer
    x = 3,074.72

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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.