Home / 1,936.92-2,898.68-1,522.61

Finding the Fourth Proportional to 1,936.92, 2,898.68 and 1,522.61

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Solution

The fourth proportional to 1,936.92, 2,898.68 and 1,522.61 is: 2,278.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936.92 : 2,898.68 = 1,522.61 : x
  2. Step 2: Convert to fraction form
    1,936.92/2,898.68 = 1,522.61/x
  3. Step 3: Cross multiply
    1,936.92x = 2,898.68 × 1,522.61
  4. Step 4: Simplify right side
    1,936.92x = 4,413,537.05
  5. Step 5: Solve for x
    x = 4,413,537.05/1,936.92
  6. Step 6: Final answer
    x = 2,278.64

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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.