Home / 2,458.52-3,391.68-1,640.18

Finding the Fourth Proportional to 2,458.52, 3,391.68 and 1,640.18

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Solution

The fourth proportional to 2,458.52, 3,391.68 and 1,640.18 is: 2,262.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,458.52 : 3,391.68 = 1,640.18 : x
  2. Step 2: Convert to fraction form
    2,458.52/3,391.68 = 1,640.18/x
  3. Step 3: Cross multiply
    2,458.52x = 3,391.68 × 1,640.18
  4. Step 4: Simplify right side
    2,458.52x = 5,562,965.70
  5. Step 5: Solve for x
    x = 5,562,965.70/2,458.52
  6. Step 6: Final answer
    x = 2,262.73

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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.