Home / 3,226.20-4,844.70-2,135.40

Finding the Fourth Proportional to 3,226.20, 4,844.70 and 2,135.40

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Solution

The fourth proportional to 3,226.20, 4,844.70 and 2,135.40 is: 3,206.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,226.20 : 4,844.70 = 2,135.40 : x
  2. Step 2: Convert to fraction form
    3,226.20/4,844.70 = 2,135.40/x
  3. Step 3: Cross multiply
    3,226.20x = 4,844.70 × 2,135.40
  4. Step 4: Simplify right side
    3,226.20x = 10,345,372.38
  5. Step 5: Solve for x
    x = 10,345,372.38/3,226.20
  6. Step 6: Final answer
    x = 3,206.67

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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.