Home / 4,121.70-6,183.45-2,271.85

Finding the Fourth Proportional to 4,121.70, 6,183.45 and 2,271.85

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Solution

The fourth proportional to 4,121.70, 6,183.45 and 2,271.85 is: 3,408.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.70 : 6,183.45 = 2,271.85 : x
  2. Step 2: Convert to fraction form
    4,121.70/6,183.45 = 2,271.85/x
  3. Step 3: Cross multiply
    4,121.70x = 6,183.45 × 2,271.85
  4. Step 4: Simplify right side
    4,121.70x = 14,047,870.88
  5. Step 5: Solve for x
    x = 14,047,870.88/4,121.70
  6. Step 6: Final answer
    x = 3,408.27

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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.