Home / 3,380.05-4,659.17-3,108.49

Finding the Fourth Proportional to 3,380.05, 4,659.17 and 3,108.49

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Solution

The fourth proportional to 3,380.05, 4,659.17 and 3,108.49 is: 4,284.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380.05 : 4,659.17 = 3,108.49 : x
  2. Step 2: Convert to fraction form
    3,380.05/4,659.17 = 3,108.49/x
  3. Step 3: Cross multiply
    3,380.05x = 4,659.17 × 3,108.49
  4. Step 4: Simplify right side
    3,380.05x = 14,482,999.86
  5. Step 5: Solve for x
    x = 14,482,999.86/3,380.05
  6. Step 6: Final answer
    x = 4,284.85

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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.