Home / 3,800.27-5,244.12-2,121.59

Finding the Fourth Proportional to 3,800.27, 5,244.12 and 2,121.59

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Solution

The fourth proportional to 3,800.27, 5,244.12 and 2,121.59 is: 2,927.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,800.27 : 5,244.12 = 2,121.59 : x
  2. Step 2: Convert to fraction form
    3,800.27/5,244.12 = 2,121.59/x
  3. Step 3: Cross multiply
    3,800.27x = 5,244.12 × 2,121.59
  4. Step 4: Simplify right side
    3,800.27x = 11,125,846.33
  5. Step 5: Solve for x
    x = 11,125,846.33/3,800.27
  6. Step 6: Final answer
    x = 2,927.65

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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.