Home / 2,305.19-3,456.88-1,005.75

Finding the Fourth Proportional to 2,305.19, 3,456.88 and 1,005.75

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Solution

The fourth proportional to 2,305.19, 3,456.88 and 1,005.75 is: 1,508.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,305.19 : 3,456.88 = 1,005.75 : x
  2. Step 2: Convert to fraction form
    2,305.19/3,456.88 = 1,005.75/x
  3. Step 3: Cross multiply
    2,305.19x = 3,456.88 × 1,005.75
  4. Step 4: Simplify right side
    2,305.19x = 3,476,754.55
  5. Step 5: Solve for x
    x = 3,476,754.55/2,305.19
  6. Step 6: Final answer
    x = 1,508.23

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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.