Home / 3,997.86-5,519.04-3,099.58

Finding the Fourth Proportional to 3,997.86, 5,519.04 and 3,099.58

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Solution

The fourth proportional to 3,997.86, 5,519.04 and 3,099.58 is: 4,278.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,997.86 : 5,519.04 = 3,099.58 : x
  2. Step 2: Convert to fraction form
    3,997.86/5,519.04 = 3,099.58/x
  3. Step 3: Cross multiply
    3,997.86x = 5,519.04 × 3,099.58
  4. Step 4: Simplify right side
    3,997.86x = 17,106,706.00
  5. Step 5: Solve for x
    x = 17,106,706.00/3,997.86
  6. Step 6: Final answer
    x = 4,278.97

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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.