Home / 2,836.71-4,255.65-1,192.29

Finding the Fourth Proportional to 2,836.71, 4,255.65 and 1,192.29

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Solution

The fourth proportional to 2,836.71, 4,255.65 and 1,192.29 is: 1,788.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836.71 : 4,255.65 = 1,192.29 : x
  2. Step 2: Convert to fraction form
    2,836.71/4,255.65 = 1,192.29/x
  3. Step 3: Cross multiply
    2,836.71x = 4,255.65 × 1,192.29
  4. Step 4: Simplify right side
    2,836.71x = 5,073,968.94
  5. Step 5: Solve for x
    x = 5,073,968.94/2,836.71
  6. Step 6: Final answer
    x = 1,788.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.