Home / 1,896.20-2,614.79-1,299.55

Finding the Fourth Proportional to 1,896.20, 2,614.79 and 1,299.55

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Solution

The fourth proportional to 1,896.20, 2,614.79 and 1,299.55 is: 1,792.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,896.20 : 2,614.79 = 1,299.55 : x
  2. Step 2: Convert to fraction form
    1,896.20/2,614.79 = 1,299.55/x
  3. Step 3: Cross multiply
    1,896.20x = 2,614.79 × 1,299.55
  4. Step 4: Simplify right side
    1,896.20x = 3,398,050.34
  5. Step 5: Solve for x
    x = 3,398,050.34/1,896.20
  6. Step 6: Final answer
    x = 1,792.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.