Home / 1,934.42-2,668.82-1,271.66

Finding the Fourth Proportional to 1,934.42, 2,668.82 and 1,271.66

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Solution

The fourth proportional to 1,934.42, 2,668.82 and 1,271.66 is: 1,754.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,934.42 : 2,668.82 = 1,271.66 : x
  2. Step 2: Convert to fraction form
    1,934.42/2,668.82 = 1,271.66/x
  3. Step 3: Cross multiply
    1,934.42x = 2,668.82 × 1,271.66
  4. Step 4: Simplify right side
    1,934.42x = 3,393,811.94
  5. Step 5: Solve for x
    x = 3,393,811.94/1,934.42
  6. Step 6: Final answer
    x = 1,754.44

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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.