Home / 3,443.39-5,164.81-1,252.61

Finding the Fourth Proportional to 3,443.39, 5,164.81 and 1,252.61

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Solution

The fourth proportional to 3,443.39, 5,164.81 and 1,252.61 is: 1,878.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,443.39 : 5,164.81 = 1,252.61 : x
  2. Step 2: Convert to fraction form
    3,443.39/5,164.81 = 1,252.61/x
  3. Step 3: Cross multiply
    3,443.39x = 5,164.81 × 1,252.61
  4. Step 4: Simplify right side
    3,443.39x = 6,469,463.70
  5. Step 5: Solve for x
    x = 6,469,463.70/3,443.39
  6. Step 6: Final answer
    x = 1,878.81

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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.