Home / 2,553.44-3,826.91-1,320.62

Finding the Fourth Proportional to 2,553.44, 3,826.91 and 1,320.62

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Solution

The fourth proportional to 2,553.44, 3,826.91 and 1,320.62 is: 1,979.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,553.44 : 3,826.91 = 1,320.62 : x
  2. Step 2: Convert to fraction form
    2,553.44/3,826.91 = 1,320.62/x
  3. Step 3: Cross multiply
    2,553.44x = 3,826.91 × 1,320.62
  4. Step 4: Simplify right side
    2,553.44x = 5,053,878.05
  5. Step 5: Solve for x
    x = 5,053,878.05/2,553.44
  6. Step 6: Final answer
    x = 1,979.25

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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.