Home / 3,600.36-5,399.16-1,408.86

Finding the Fourth Proportional to 3,600.36, 5,399.16 and 1,408.86

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Solution

The fourth proportional to 3,600.36, 5,399.16 and 1,408.86 is: 2,112.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,600.36 : 5,399.16 = 1,408.86 : x
  2. Step 2: Convert to fraction form
    3,600.36/5,399.16 = 1,408.86/x
  3. Step 3: Cross multiply
    3,600.36x = 5,399.16 × 1,408.86
  4. Step 4: Simplify right side
    3,600.36x = 7,606,660.56
  5. Step 5: Solve for x
    x = 7,606,660.56/3,600.36
  6. Step 6: Final answer
    x = 2,112.75

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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.