Home / 3,806.36-5,251.62-2,481.98

Finding the Fourth Proportional to 3,806.36, 5,251.62 and 2,481.98

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Solution

The fourth proportional to 3,806.36, 5,251.62 and 2,481.98 is: 3,424.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,806.36 : 5,251.62 = 2,481.98 : x
  2. Step 2: Convert to fraction form
    3,806.36/5,251.62 = 2,481.98/x
  3. Step 3: Cross multiply
    3,806.36x = 5,251.62 × 2,481.98
  4. Step 4: Simplify right side
    3,806.36x = 13,034,415.81
  5. Step 5: Solve for x
    x = 13,034,415.81/3,806.36
  6. Step 6: Final answer
    x = 3,424.38

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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.