Home / 3,330.45-4,997.91-1,382.66

Finding the Fourth Proportional to 3,330.45, 4,997.91 and 1,382.66

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Solution

The fourth proportional to 3,330.45, 4,997.91 and 1,382.66 is: 2,074.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330.45 : 4,997.91 = 1,382.66 : x
  2. Step 2: Convert to fraction form
    3,330.45/4,997.91 = 1,382.66/x
  3. Step 3: Cross multiply
    3,330.45x = 4,997.91 × 1,382.66
  4. Step 4: Simplify right side
    3,330.45x = 6,910,410.24
  5. Step 5: Solve for x
    x = 6,910,410.24/3,330.45
  6. Step 6: Final answer
    x = 2,074.92

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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.