Home / 2,823.94-4,236.94-1,836.68

Finding the Fourth Proportional to 2,823.94, 4,236.94 and 1,836.68

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Solution

The fourth proportional to 2,823.94, 4,236.94 and 1,836.68 is: 2,755.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,823.94 : 4,236.94 = 1,836.68 : x
  2. Step 2: Convert to fraction form
    2,823.94/4,236.94 = 1,836.68/x
  3. Step 3: Cross multiply
    2,823.94x = 4,236.94 × 1,836.68
  4. Step 4: Simplify right side
    2,823.94x = 7,781,902.96
  5. Step 5: Solve for x
    x = 7,781,902.96/2,823.94
  6. Step 6: Final answer
    x = 2,755.69

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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.