Home / 2,836.41-4,252.32-1,275.27

Finding the Fourth Proportional to 2,836.41, 4,252.32 and 1,275.27

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Solution

The fourth proportional to 2,836.41, 4,252.32 and 1,275.27 is: 1,911.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836.41 : 4,252.32 = 1,275.27 : x
  2. Step 2: Convert to fraction form
    2,836.41/4,252.32 = 1,275.27/x
  3. Step 3: Cross multiply
    2,836.41x = 4,252.32 × 1,275.27
  4. Step 4: Simplify right side
    2,836.41x = 5,422,866.76
  5. Step 5: Solve for x
    x = 5,422,866.76/2,836.41
  6. Step 6: Final answer
    x = 1,911.88

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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.