Home / 2,836.60-3,913.92-1,717.32

Finding the Fourth Proportional to 2,836.60, 3,913.92 and 1,717.32

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Solution

The fourth proportional to 2,836.60, 3,913.92 and 1,717.32 is: 2,369.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836.60 : 3,913.92 = 1,717.32 : x
  2. Step 2: Convert to fraction form
    2,836.60/3,913.92 = 1,717.32/x
  3. Step 3: Cross multiply
    2,836.60x = 3,913.92 × 1,717.32
  4. Step 4: Simplify right side
    2,836.60x = 6,721,453.09
  5. Step 5: Solve for x
    x = 6,721,453.09/2,836.60
  6. Step 6: Final answer
    x = 2,369.55

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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.