Home / 2,836.78-4,253.12-1,910.04

Finding the Fourth Proportional to 2,836.78, 4,253.12 and 1,910.04

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Solution

The fourth proportional to 2,836.78, 4,253.12 and 1,910.04 is: 2,863.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836.78 : 4,253.12 = 1,910.04 : x
  2. Step 2: Convert to fraction form
    2,836.78/4,253.12 = 1,910.04/x
  3. Step 3: Cross multiply
    2,836.78x = 4,253.12 × 1,910.04
  4. Step 4: Simplify right side
    2,836.78x = 8,123,629.32
  5. Step 5: Solve for x
    x = 8,123,629.32/2,836.78
  6. Step 6: Final answer
    x = 2,863.68

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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.