Home / 3,568.71-5,353.32-1,103.21

Finding the Fourth Proportional to 3,568.71, 5,353.32 and 1,103.21

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Solution

The fourth proportional to 3,568.71, 5,353.32 and 1,103.21 is: 1,654.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,568.71 : 5,353.32 = 1,103.21 : x
  2. Step 2: Convert to fraction form
    3,568.71/5,353.32 = 1,103.21/x
  3. Step 3: Cross multiply
    3,568.71x = 5,353.32 × 1,103.21
  4. Step 4: Simplify right side
    3,568.71x = 5,905,845.56
  5. Step 5: Solve for x
    x = 5,905,845.56/3,568.71
  6. Step 6: Final answer
    x = 1,654.90

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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.