Home / 1,933.99-2,668.91-1,049.78

Finding the Fourth Proportional to 1,933.99, 2,668.91 and 1,049.78

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Solution

The fourth proportional to 1,933.99, 2,668.91 and 1,049.78 is: 1,448.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933.99 : 2,668.91 = 1,049.78 : x
  2. Step 2: Convert to fraction form
    1,933.99/2,668.91 = 1,049.78/x
  3. Step 3: Cross multiply
    1,933.99x = 2,668.91 × 1,049.78
  4. Step 4: Simplify right side
    1,933.99x = 2,801,769.76
  5. Step 5: Solve for x
    x = 2,801,769.76/1,933.99
  6. Step 6: Final answer
    x = 1,448.70

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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.