Home / 3,927.35-5,414.20-2,668.46

Finding the Fourth Proportional to 3,927.35, 5,414.20 and 2,668.46

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Solution

The fourth proportional to 3,927.35, 5,414.20 and 2,668.46 is: 3,678.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927.35 : 5,414.20 = 2,668.46 : x
  2. Step 2: Convert to fraction form
    3,927.35/5,414.20 = 2,668.46/x
  3. Step 3: Cross multiply
    3,927.35x = 5,414.20 × 2,668.46
  4. Step 4: Simplify right side
    3,927.35x = 14,447,576.13
  5. Step 5: Solve for x
    x = 14,447,576.13/3,927.35
  6. Step 6: Final answer
    x = 3,678.71

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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.