Home / 3,825.36-5,279.58-2,253.96

Finding the Fourth Proportional to 3,825.36, 5,279.58 and 2,253.96

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Solution

The fourth proportional to 3,825.36, 5,279.58 and 2,253.96 is: 3,110.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,825.36 : 5,279.58 = 2,253.96 : x
  2. Step 2: Convert to fraction form
    3,825.36/5,279.58 = 2,253.96/x
  3. Step 3: Cross multiply
    3,825.36x = 5,279.58 × 2,253.96
  4. Step 4: Simplify right side
    3,825.36x = 11,899,962.14
  5. Step 5: Solve for x
    x = 11,899,962.14/3,825.36
  6. Step 6: Final answer
    x = 3,110.81

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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.