Home / 3,997.73-5,515.86-2,229.35

Finding the Fourth Proportional to 3,997.73, 5,515.86 and 2,229.35

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Solution

The fourth proportional to 3,997.73, 5,515.86 and 2,229.35 is: 3,075.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,997.73 : 5,515.86 = 2,229.35 : x
  2. Step 2: Convert to fraction form
    3,997.73/5,515.86 = 2,229.35/x
  3. Step 3: Cross multiply
    3,997.73x = 5,515.86 × 2,229.35
  4. Step 4: Simplify right side
    3,997.73x = 12,296,782.49
  5. Step 5: Solve for x
    x = 12,296,782.49/3,997.73
  6. Step 6: Final answer
    x = 3,075.94

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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.