Home / 2,836.87-4,252.16-2,141.29

Finding the Fourth Proportional to 2,836.87, 4,252.16 and 2,141.29

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Solution

The fourth proportional to 2,836.87, 4,252.16 and 2,141.29 is: 3,209.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836.87 : 4,252.16 = 2,141.29 : x
  2. Step 2: Convert to fraction form
    2,836.87/4,252.16 = 2,141.29/x
  3. Step 3: Cross multiply
    2,836.87x = 4,252.16 × 2,141.29
  4. Step 4: Simplify right side
    2,836.87x = 9,105,082.39
  5. Step 5: Solve for x
    x = 9,105,082.39/2,836.87
  6. Step 6: Final answer
    x = 3,209.55

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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.