Home / 1,934.24-2,668.80-1,305.94

Finding the Fourth Proportional to 1,934.24, 2,668.80 and 1,305.94

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Solution

The fourth proportional to 1,934.24, 2,668.80 and 1,305.94 is: 1,801.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,934.24 : 2,668.80 = 1,305.94 : x
  2. Step 2: Convert to fraction form
    1,934.24/2,668.80 = 1,305.94/x
  3. Step 3: Cross multiply
    1,934.24x = 2,668.80 × 1,305.94
  4. Step 4: Simplify right side
    1,934.24x = 3,485,292.67
  5. Step 5: Solve for x
    x = 3,485,292.67/1,934.24
  6. Step 6: Final answer
    x = 1,801.89

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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.