Home / 2,836.94-4,257.59-1,965.53

Finding the Fourth Proportional to 2,836.94, 4,257.59 and 1,965.53

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Solution

The fourth proportional to 2,836.94, 4,257.59 and 1,965.53 is: 2,949.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836.94 : 4,257.59 = 1,965.53 : x
  2. Step 2: Convert to fraction form
    2,836.94/4,257.59 = 1,965.53/x
  3. Step 3: Cross multiply
    2,836.94x = 4,257.59 × 1,965.53
  4. Step 4: Simplify right side
    2,836.94x = 8,368,389.76
  5. Step 5: Solve for x
    x = 8,368,389.76/2,836.94
  6. Step 6: Final answer
    x = 2,949.80

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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.