Home / 3,579.69-5,374.25-2,758.66

Finding the Fourth Proportional to 3,579.69, 5,374.25 and 2,758.66

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Solution

The fourth proportional to 3,579.69, 5,374.25 and 2,758.66 is: 4,141.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.69 : 5,374.25 = 2,758.66 : x
  2. Step 2: Convert to fraction form
    3,579.69/5,374.25 = 2,758.66/x
  3. Step 3: Cross multiply
    3,579.69x = 5,374.25 × 2,758.66
  4. Step 4: Simplify right side
    3,579.69x = 14,825,711.62
  5. Step 5: Solve for x
    x = 14,825,711.62/3,579.69
  6. Step 6: Final answer
    x = 4,141.61

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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.