Home / 3,599.43-5,399.85-1,408.02

Finding the Fourth Proportional to 3,599.43, 5,399.85 and 1,408.02

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Solution

The fourth proportional to 3,599.43, 5,399.85 and 1,408.02 is: 2,112.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,599.43 : 5,399.85 = 1,408.02 : x
  2. Step 2: Convert to fraction form
    3,599.43/5,399.85 = 1,408.02/x
  3. Step 3: Cross multiply
    3,599.43x = 5,399.85 × 1,408.02
  4. Step 4: Simplify right side
    3,599.43x = 7,603,096.80
  5. Step 5: Solve for x
    x = 7,603,096.80/3,599.43
  6. Step 6: Final answer
    x = 2,112.31

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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.