Home / 2,657.07-3,665.79-1,661.97

Finding the Fourth Proportional to 2,657.07, 3,665.79 and 1,661.97

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Solution

The fourth proportional to 2,657.07, 3,665.79 and 1,661.97 is: 2,292.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657.07 : 3,665.79 = 1,661.97 : x
  2. Step 2: Convert to fraction form
    2,657.07/3,665.79 = 1,661.97/x
  3. Step 3: Cross multiply
    2,657.07x = 3,665.79 × 1,661.97
  4. Step 4: Simplify right side
    2,657.07x = 6,092,433.01
  5. Step 5: Solve for x
    x = 6,092,433.01/2,657.07
  6. Step 6: Final answer
    x = 2,292.91

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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.