Home / 3,066.68-4,232.08-2,172.02

Finding the Fourth Proportional to 3,066.68, 4,232.08 and 2,172.02

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Solution

The fourth proportional to 3,066.68, 4,232.08 and 2,172.02 is: 2,997.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,066.68 : 4,232.08 = 2,172.02 : x
  2. Step 2: Convert to fraction form
    3,066.68/4,232.08 = 2,172.02/x
  3. Step 3: Cross multiply
    3,066.68x = 4,232.08 × 2,172.02
  4. Step 4: Simplify right side
    3,066.68x = 9,192,143.96
  5. Step 5: Solve for x
    x = 9,192,143.96/3,066.68
  6. Step 6: Final answer
    x = 2,997.43

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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.