Home / 3,617.62-5,428.34-1,669.56

Finding the Fourth Proportional to 3,617.62, 5,428.34 and 1,669.56

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Solution

The fourth proportional to 3,617.62, 5,428.34 and 1,669.56 is: 2,505.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.62 : 5,428.34 = 1,669.56 : x
  2. Step 2: Convert to fraction form
    3,617.62/5,428.34 = 1,669.56/x
  3. Step 3: Cross multiply
    3,617.62x = 5,428.34 × 1,669.56
  4. Step 4: Simplify right side
    3,617.62x = 9,062,939.33
  5. Step 5: Solve for x
    x = 9,062,939.33/3,617.62
  6. Step 6: Final answer
    x = 2,505.22

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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.