Home / 3,621.72-4,995.99-2,361.18

Finding the Fourth Proportional to 3,621.72, 4,995.99 and 2,361.18

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Solution

The fourth proportional to 3,621.72, 4,995.99 and 2,361.18 is: 3,257.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.72 : 4,995.99 = 2,361.18 : x
  2. Step 2: Convert to fraction form
    3,621.72/4,995.99 = 2,361.18/x
  3. Step 3: Cross multiply
    3,621.72x = 4,995.99 × 2,361.18
  4. Step 4: Simplify right side
    3,621.72x = 11,796,431.67
  5. Step 5: Solve for x
    x = 11,796,431.67/3,621.72
  6. Step 6: Final answer
    x = 3,257.14

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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.