Home / 2,296.91-3,171.32-1,551.92

Finding the Fourth Proportional to 2,296.91, 3,171.32 and 1,551.92

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Solution

The fourth proportional to 2,296.91, 3,171.32 and 1,551.92 is: 2,142.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,296.91 : 3,171.32 = 1,551.92 : x
  2. Step 2: Convert to fraction form
    2,296.91/3,171.32 = 1,551.92/x
  3. Step 3: Cross multiply
    2,296.91x = 3,171.32 × 1,551.92
  4. Step 4: Simplify right side
    2,296.91x = 4,921,617.14
  5. Step 5: Solve for x
    x = 4,921,617.14/2,296.91
  6. Step 6: Final answer
    x = 2,142.71

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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.