Home / 2,553.12-3,830.49-910.04

Finding the Fourth Proportional to 2,553.12, 3,830.49 and 910.04

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Solution

The fourth proportional to 2,553.12, 3,830.49 and 910.04 is: 1,365.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,553.12 : 3,830.49 = 910.04 : x
  2. Step 2: Convert to fraction form
    2,553.12/3,830.49 = 910.04/x
  3. Step 3: Cross multiply
    2,553.12x = 3,830.49 × 910.04
  4. Step 4: Simplify right side
    2,553.12x = 3,485,879.97
  5. Step 5: Solve for x
    x = 3,485,879.97/2,553.12
  6. Step 6: Final answer
    x = 1,365.34

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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.