Home / 3,997.03-5,515.95-2,228.80

Finding the Fourth Proportional to 3,997.03, 5,515.95 and 2,228.80

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Solution

The fourth proportional to 3,997.03, 5,515.95 and 2,228.80 is: 3,075.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,997.03 : 5,515.95 = 2,228.80 : x
  2. Step 2: Convert to fraction form
    3,997.03/5,515.95 = 2,228.80/x
  3. Step 3: Cross multiply
    3,997.03x = 5,515.95 × 2,228.80
  4. Step 4: Simplify right side
    3,997.03x = 12,293,949.36
  5. Step 5: Solve for x
    x = 12,293,949.36/3,997.03
  6. Step 6: Final answer
    x = 3,075.77

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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.