Home / 3,578.19-5,359.89-2,654.79

Finding the Fourth Proportional to 3,578.19, 5,359.89 and 2,654.79

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Solution

The fourth proportional to 3,578.19, 5,359.89 and 2,654.79 is: 3,976.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.19 : 5,359.89 = 2,654.79 : x
  2. Step 2: Convert to fraction form
    3,578.19/5,359.89 = 2,654.79/x
  3. Step 3: Cross multiply
    3,578.19x = 5,359.89 × 2,654.79
  4. Step 4: Simplify right side
    3,578.19x = 14,229,382.37
  5. Step 5: Solve for x
    x = 14,229,382.37/3,578.19
  6. Step 6: Final answer
    x = 3,976.70

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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.