Home / 3,997.45-5,516.53-2,205.01

Finding the Fourth Proportional to 3,997.45, 5,516.53 and 2,205.01

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Solution

The fourth proportional to 3,997.45, 5,516.53 and 2,205.01 is: 3,042.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,997.45 : 5,516.53 = 2,205.01 : x
  2. Step 2: Convert to fraction form
    3,997.45/5,516.53 = 2,205.01/x
  3. Step 3: Cross multiply
    3,997.45x = 5,516.53 × 2,205.01
  4. Step 4: Simplify right side
    3,997.45x = 12,164,021.10
  5. Step 5: Solve for x
    x = 12,164,021.10/3,997.45
  6. Step 6: Final answer
    x = 3,042.94

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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.