Home / 3,311.87-4,967.81-1,362.71

Finding the Fourth Proportional to 3,311.87, 4,967.81 and 1,362.71

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Solution

The fourth proportional to 3,311.87, 4,967.81 and 1,362.71 is: 2,044.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311.87 : 4,967.81 = 1,362.71 : x
  2. Step 2: Convert to fraction form
    3,311.87/4,967.81 = 1,362.71/x
  3. Step 3: Cross multiply
    3,311.87x = 4,967.81 × 1,362.71
  4. Step 4: Simplify right side
    3,311.87x = 6,769,684.37
  5. Step 5: Solve for x
    x = 6,769,684.37/3,311.87
  6. Step 6: Final answer
    x = 2,044.07

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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.