Home / 2,464.59-3,691.82-1,640.21

Finding the Fourth Proportional to 2,464.59, 3,691.82 and 1,640.21

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Solution

The fourth proportional to 2,464.59, 3,691.82 and 1,640.21 is: 2,456.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,464.59 : 3,691.82 = 1,640.21 : x
  2. Step 2: Convert to fraction form
    2,464.59/3,691.82 = 1,640.21/x
  3. Step 3: Cross multiply
    2,464.59x = 3,691.82 × 1,640.21
  4. Step 4: Simplify right side
    2,464.59x = 6,055,360.08
  5. Step 5: Solve for x
    x = 6,055,360.08/2,464.59
  6. Step 6: Final answer
    x = 2,456.94

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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.