Home / 3,568.45-5,353.19-1,103.49

Finding the Fourth Proportional to 3,568.45, 5,353.19 and 1,103.49

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Solution

The fourth proportional to 3,568.45, 5,353.19 and 1,103.49 is: 1,655.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,568.45 : 5,353.19 = 1,103.49 : x
  2. Step 2: Convert to fraction form
    3,568.45/5,353.19 = 1,103.49/x
  3. Step 3: Cross multiply
    3,568.45x = 5,353.19 × 1,103.49
  4. Step 4: Simplify right side
    3,568.45x = 5,907,181.01
  5. Step 5: Solve for x
    x = 5,907,181.01/3,568.45
  6. Step 6: Final answer
    x = 1,655.39

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1.5x scale

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.