Home / 1,933.92-2,668.84-1,049.72

Finding the Fourth Proportional to 1,933.92, 2,668.84 and 1,049.72

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Solution

The fourth proportional to 1,933.92, 2,668.84 and 1,049.72 is: 1,448.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933.92 : 2,668.84 = 1,049.72 : x
  2. Step 2: Convert to fraction form
    1,933.92/2,668.84 = 1,049.72/x
  3. Step 3: Cross multiply
    1,933.92x = 2,668.84 × 1,049.72
  4. Step 4: Simplify right side
    1,933.92x = 2,801,534.72
  5. Step 5: Solve for x
    x = 2,801,534.72/1,933.92
  6. Step 6: Final answer
    x = 1,448.63

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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.