Home / 3,621.95-4,997.13-2,028.36

Finding the Fourth Proportional to 3,621.95, 4,997.13 and 2,028.36

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Solution

The fourth proportional to 3,621.95, 4,997.13 and 2,028.36 is: 2,798.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.95 : 4,997.13 = 2,028.36 : x
  2. Step 2: Convert to fraction form
    3,621.95/4,997.13 = 2,028.36/x
  3. Step 3: Cross multiply
    3,621.95x = 4,997.13 × 2,028.36
  4. Step 4: Simplify right side
    3,621.95x = 10,135,989.74
  5. Step 5: Solve for x
    x = 10,135,989.74/3,621.95
  6. Step 6: Final answer
    x = 2,798.49

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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.