Home / 3,621.80-4,997.66-2,028.22

Finding the Fourth Proportional to 3,621.80, 4,997.66 and 2,028.22

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Solution

The fourth proportional to 3,621.80, 4,997.66 and 2,028.22 is: 2,798.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.80 : 4,997.66 = 2,028.22 : x
  2. Step 2: Convert to fraction form
    3,621.80/4,997.66 = 2,028.22/x
  3. Step 3: Cross multiply
    3,621.80x = 4,997.66 × 2,028.22
  4. Step 4: Simplify right side
    3,621.80x = 10,136,331.33
  5. Step 5: Solve for x
    x = 10,136,331.33/3,621.80
  6. Step 6: Final answer
    x = 2,798.70

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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.