Home / 3,764.27-5,643.16-2,123.21

Finding the Fourth Proportional to 3,764.27, 5,643.16 and 2,123.21

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Solution

The fourth proportional to 3,764.27, 5,643.16 and 2,123.21 is: 3,182.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,764.27 : 5,643.16 = 2,123.21 : x
  2. Step 2: Convert to fraction form
    3,764.27/5,643.16 = 2,123.21/x
  3. Step 3: Cross multiply
    3,764.27x = 5,643.16 × 2,123.21
  4. Step 4: Simplify right side
    3,764.27x = 11,981,613.74
  5. Step 5: Solve for x
    x = 11,981,613.74/3,764.27
  6. Step 6: Final answer
    x = 3,182.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.