Home / 3,836.02-5,755.78-2,279.10

Finding the Fourth Proportional to 3,836.02, 5,755.78 and 2,279.10

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Solution

The fourth proportional to 3,836.02, 5,755.78 and 2,279.10 is: 3,419.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,836.02 : 5,755.78 = 2,279.10 : x
  2. Step 2: Convert to fraction form
    3,836.02/5,755.78 = 2,279.10/x
  3. Step 3: Cross multiply
    3,836.02x = 5,755.78 × 2,279.10
  4. Step 4: Simplify right side
    3,836.02x = 13,117,998.20
  5. Step 5: Solve for x
    x = 13,117,998.20/3,836.02
  6. Step 6: Final answer
    x = 3,419.69

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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.