Home / 3,825.41-5,279.72-2,253.80

Finding the Fourth Proportional to 3,825.41, 5,279.72 and 2,253.80

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Solution

The fourth proportional to 3,825.41, 5,279.72 and 2,253.80 is: 3,110.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,825.41 : 5,279.72 = 2,253.80 : x
  2. Step 2: Convert to fraction form
    3,825.41/5,279.72 = 2,253.80/x
  3. Step 3: Cross multiply
    3,825.41x = 5,279.72 × 2,253.80
  4. Step 4: Simplify right side
    3,825.41x = 11,899,434.87
  5. Step 5: Solve for x
    x = 11,899,434.87/3,825.41
  6. Step 6: Final answer
    x = 3,110.63

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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.