Home / 1,963.24-2,708.91-1,299.85

Finding the Fourth Proportional to 1,963.24, 2,708.91 and 1,299.85

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Solution

The fourth proportional to 1,963.24, 2,708.91 and 1,299.85 is: 1,793.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,963.24 : 2,708.91 = 1,299.85 : x
  2. Step 2: Convert to fraction form
    1,963.24/2,708.91 = 1,299.85/x
  3. Step 3: Cross multiply
    1,963.24x = 2,708.91 × 1,299.85
  4. Step 4: Simplify right side
    1,963.24x = 3,521,169.89
  5. Step 5: Solve for x
    x = 3,521,169.89/1,963.24
  6. Step 6: Final answer
    x = 1,793.55

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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.