Home / 3,568.20-5,351.28-1,101.72

Finding the Fourth Proportional to 3,568.20, 5,351.28 and 1,101.72

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Solution

The fourth proportional to 3,568.20, 5,351.28 and 1,101.72 is: 1,652.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,568.20 : 5,351.28 = 1,101.72 : x
  2. Step 2: Convert to fraction form
    3,568.20/5,351.28 = 1,101.72/x
  3. Step 3: Cross multiply
    3,568.20x = 5,351.28 × 1,101.72
  4. Step 4: Simplify right side
    3,568.20x = 5,895,612.20
  5. Step 5: Solve for x
    x = 5,895,612.20/3,568.20
  6. Step 6: Final answer
    x = 1,652.27

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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.