Home / 3,997.63-5,516.97-2,319.55

Finding the Fourth Proportional to 3,997.63, 5,516.97 and 2,319.55

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Solution

The fourth proportional to 3,997.63, 5,516.97 and 2,319.55 is: 3,201.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,997.63 : 5,516.97 = 2,319.55 : x
  2. Step 2: Convert to fraction form
    3,997.63/5,516.97 = 2,319.55/x
  3. Step 3: Cross multiply
    3,997.63x = 5,516.97 × 2,319.55
  4. Step 4: Simplify right side
    3,997.63x = 12,796,887.76
  5. Step 5: Solve for x
    x = 12,796,887.76/3,997.63
  6. Step 6: Final answer
    x = 3,201.12

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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.