Home / 2,795.52-3,858-1,553.44

Finding the Fourth Proportional to 2,795.52, 3,858 and 1,553.44

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Solution

The fourth proportional to 2,795.52, 3,858 and 1,553.44 is: 2,143.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,795.52 : 3,858 = 1,553.44 : x
  2. Step 2: Convert to fraction form
    2,795.52/3,858 = 1,553.44/x
  3. Step 3: Cross multiply
    2,795.52x = 3,858 × 1,553.44
  4. Step 4: Simplify right side
    2,795.52x = 5,993,171.52
  5. Step 5: Solve for x
    x = 5,993,171.52/2,795.52
  6. Step 6: Final answer
    x = 2,143.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.