Home / 3,664.46-5,056.97-2,172.48

Finding the Fourth Proportional to 3,664.46, 5,056.97 and 2,172.48

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Solution

The fourth proportional to 3,664.46, 5,056.97 and 2,172.48 is: 2,998.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,664.46 : 5,056.97 = 2,172.48 : x
  2. Step 2: Convert to fraction form
    3,664.46/5,056.97 = 2,172.48/x
  3. Step 3: Cross multiply
    3,664.46x = 5,056.97 × 2,172.48
  4. Step 4: Simplify right side
    3,664.46x = 10,986,145.64
  5. Step 5: Solve for x
    x = 10,986,145.64/3,664.46
  6. Step 6: Final answer
    x = 2,998.02

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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.