Home / 2,836.69-3,914.35-1,717.22

Finding the Fourth Proportional to 2,836.69, 3,914.35 and 1,717.22

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Solution

The fourth proportional to 2,836.69, 3,914.35 and 1,717.22 is: 2,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836.69 : 3,914.35 = 1,717.22 : x
  2. Step 2: Convert to fraction form
    2,836.69/3,914.35 = 1,717.22/x
  3. Step 3: Cross multiply
    2,836.69x = 3,914.35 × 1,717.22
  4. Step 4: Simplify right side
    2,836.69x = 6,721,805.60
  5. Step 5: Solve for x
    x = 6,721,805.60/2,836.69
  6. Step 6: Final answer
    x = 2,369.60

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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.