Home / 3,270.46-4,905.22-1,322.20

Finding the Fourth Proportional to 3,270.46, 4,905.22 and 1,322.20

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Solution

The fourth proportional to 3,270.46, 4,905.22 and 1,322.20 is: 1,983.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.46 : 4,905.22 = 1,322.20 : x
  2. Step 2: Convert to fraction form
    3,270.46/4,905.22 = 1,322.20/x
  3. Step 3: Cross multiply
    3,270.46x = 4,905.22 × 1,322.20
  4. Step 4: Simplify right side
    3,270.46x = 6,485,681.88
  5. Step 5: Solve for x
    x = 6,485,681.88/3,270.46
  6. Step 6: Final answer
    x = 1,983.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.