Home / 1,934.09-2,668.05-1,224.73

Finding the Fourth Proportional to 1,934.09, 2,668.05 and 1,224.73

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Solution

The fourth proportional to 1,934.09, 2,668.05 and 1,224.73 is: 1,689.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,934.09 : 2,668.05 = 1,224.73 : x
  2. Step 2: Convert to fraction form
    1,934.09/2,668.05 = 1,224.73/x
  3. Step 3: Cross multiply
    1,934.09x = 2,668.05 × 1,224.73
  4. Step 4: Simplify right side
    1,934.09x = 3,267,640.88
  5. Step 5: Solve for x
    x = 3,267,640.88/1,934.09
  6. Step 6: Final answer
    x = 1,689.50

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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.