Home / 3,568.45-5,351.86-1,489.18

Finding the Fourth Proportional to 3,568.45, 5,351.86 and 1,489.18

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Solution

The fourth proportional to 3,568.45, 5,351.86 and 1,489.18 is: 2,233.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,568.45 : 5,351.86 = 1,489.18 : x
  2. Step 2: Convert to fraction form
    3,568.45/5,351.86 = 1,489.18/x
  3. Step 3: Cross multiply
    3,568.45x = 5,351.86 × 1,489.18
  4. Step 4: Simplify right side
    3,568.45x = 7,969,882.87
  5. Step 5: Solve for x
    x = 7,969,882.87/3,568.45
  6. Step 6: Final answer
    x = 2,233.43

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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.