Home / 3,826.41-5,279.81-2,254.29

Finding the Fourth Proportional to 3,826.41, 5,279.81 and 2,254.29

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Solution

The fourth proportional to 3,826.41, 5,279.81 and 2,254.29 is: 3,110.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,826.41 : 5,279.81 = 2,254.29 : x
  2. Step 2: Convert to fraction form
    3,826.41/5,279.81 = 2,254.29/x
  3. Step 3: Cross multiply
    3,826.41x = 5,279.81 × 2,254.29
  4. Step 4: Simplify right side
    3,826.41x = 11,902,202.12
  5. Step 5: Solve for x
    x = 11,902,202.12/3,826.41
  6. Step 6: Final answer
    x = 3,110.54

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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.