Home / 3,813.30-5,723.57-1,965.69

Finding the Fourth Proportional to 3,813.30, 5,723.57 and 1,965.69

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Solution

The fourth proportional to 3,813.30, 5,723.57 and 1,965.69 is: 2,950.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,813.30 : 5,723.57 = 1,965.69 : x
  2. Step 2: Convert to fraction form
    3,813.30/5,723.57 = 1,965.69/x
  3. Step 3: Cross multiply
    3,813.30x = 5,723.57 × 1,965.69
  4. Step 4: Simplify right side
    3,813.30x = 11,250,764.31
  5. Step 5: Solve for x
    x = 11,250,764.31/3,813.30
  6. Step 6: Final answer
    x = 2,950.40

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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.