Home / 3,568.64-5,354.49-1,489.05

Finding the Fourth Proportional to 3,568.64, 5,354.49 and 1,489.05

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Solution

The fourth proportional to 3,568.64, 5,354.49 and 1,489.05 is: 2,234.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,568.64 : 5,354.49 = 1,489.05 : x
  2. Step 2: Convert to fraction form
    3,568.64/5,354.49 = 1,489.05/x
  3. Step 3: Cross multiply
    3,568.64x = 5,354.49 × 1,489.05
  4. Step 4: Simplify right side
    3,568.64x = 7,973,103.33
  5. Step 5: Solve for x
    x = 7,973,103.33/3,568.64
  6. Step 6: Final answer
    x = 2,234.22

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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.