Home / 3,424.22-5,134.39-1,083.78

Finding the Fourth Proportional to 3,424.22, 5,134.39 and 1,083.78

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Solution

The fourth proportional to 3,424.22, 5,134.39 and 1,083.78 is: 1,625.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,424.22 : 5,134.39 = 1,083.78 : x
  2. Step 2: Convert to fraction form
    3,424.22/5,134.39 = 1,083.78/x
  3. Step 3: Cross multiply
    3,424.22x = 5,134.39 × 1,083.78
  4. Step 4: Simplify right side
    3,424.22x = 5,564,546.48
  5. Step 5: Solve for x
    x = 5,564,546.48/3,424.22
  6. Step 6: Final answer
    x = 1,625.05

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1.5x scale

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.