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Finding the Fourth Proportional to 2,661.69, 3,675.29 and 1,717.95

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Solution

The fourth proportional to 2,661.69, 3,675.29 and 1,717.95 is: 2,372.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,661.69 : 3,675.29 = 1,717.95 : x
  2. Step 2: Convert to fraction form
    2,661.69/3,675.29 = 1,717.95/x
  3. Step 3: Cross multiply
    2,661.69x = 3,675.29 × 1,717.95
  4. Step 4: Simplify right side
    2,661.69x = 6,313,955.87
  5. Step 5: Solve for x
    x = 6,313,955.87/2,661.69
  6. Step 6: Final answer
    x = 2,372.16

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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.