Home / 1,933.91-2,668.80-1,049.72

Finding the Fourth Proportional to 1,933.91, 2,668.80 and 1,049.72

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Solution

The fourth proportional to 1,933.91, 2,668.80 and 1,049.72 is: 1,448.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933.91 : 2,668.80 = 1,049.72 : x
  2. Step 2: Convert to fraction form
    1,933.91/2,668.80 = 1,049.72/x
  3. Step 3: Cross multiply
    1,933.91x = 2,668.80 × 1,049.72
  4. Step 4: Simplify right side
    1,933.91x = 2,801,479.39
  5. Step 5: Solve for x
    x = 2,801,479.39/1,933.91
  6. Step 6: Final answer
    x = 1,448.61

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1.5x scale

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.