Home / 3,311.99-4,964.74-1,581.83

Finding the Fourth Proportional to 3,311.99, 4,964.74 and 1,581.83

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Solution

The fourth proportional to 3,311.99, 4,964.74 and 1,581.83 is: 2,371.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311.99 : 4,964.74 = 1,581.83 : x
  2. Step 2: Convert to fraction form
    3,311.99/4,964.74 = 1,581.83/x
  3. Step 3: Cross multiply
    3,311.99x = 4,964.74 × 1,581.83
  4. Step 4: Simplify right side
    3,311.99x = 7,853,341.94
  5. Step 5: Solve for x
    x = 7,853,341.94/3,311.99
  6. Step 6: Final answer
    x = 2,371.19

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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.