Home / 3,270.33-4,905.72-1,322.51

Finding the Fourth Proportional to 3,270.33, 4,905.72 and 1,322.51

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Solution

The fourth proportional to 3,270.33, 4,905.72 and 1,322.51 is: 1,983.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.33 : 4,905.72 = 1,322.51 : x
  2. Step 2: Convert to fraction form
    3,270.33/4,905.72 = 1,322.51/x
  3. Step 3: Cross multiply
    3,270.33x = 4,905.72 × 1,322.51
  4. Step 4: Simplify right side
    3,270.33x = 6,487,839.23
  5. Step 5: Solve for x
    x = 6,487,839.23/3,270.33
  6. Step 6: Final answer
    x = 1,983.85

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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.