Home / 2,910.38-4,016.52-1,732.64

Finding the Fourth Proportional to 2,910.38, 4,016.52 and 1,732.64

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Solution

The fourth proportional to 2,910.38, 4,016.52 and 1,732.64 is: 2,391.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.38 : 4,016.52 = 1,732.64 : x
  2. Step 2: Convert to fraction form
    2,910.38/4,016.52 = 1,732.64/x
  3. Step 3: Cross multiply
    2,910.38x = 4,016.52 × 1,732.64
  4. Step 4: Simplify right side
    2,910.38x = 6,959,163.13
  5. Step 5: Solve for x
    x = 6,959,163.13/2,910.38
  6. Step 6: Final answer
    x = 2,391.16

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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.