Home / 3,108.22-4,280.67-2,579.39

Finding the Fourth Proportional to 3,108.22, 4,280.67 and 2,579.39

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Solution

The fourth proportional to 3,108.22, 4,280.67 and 2,579.39 is: 3,552.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.22 : 4,280.67 = 2,579.39 : x
  2. Step 2: Convert to fraction form
    3,108.22/4,280.67 = 2,579.39/x
  3. Step 3: Cross multiply
    3,108.22x = 4,280.67 × 2,579.39
  4. Step 4: Simplify right side
    3,108.22x = 11,041,517.39
  5. Step 5: Solve for x
    x = 11,041,517.39/3,108.22
  6. Step 6: Final answer
    x = 3,552.36

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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.