Home / 1,933.94-2,896.26-1,109.72

Finding the Fourth Proportional to 1,933.94, 2,896.26 and 1,109.72

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Solution

The fourth proportional to 1,933.94, 2,896.26 and 1,109.72 is: 1,661.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933.94 : 2,896.26 = 1,109.72 : x
  2. Step 2: Convert to fraction form
    1,933.94/2,896.26 = 1,109.72/x
  3. Step 3: Cross multiply
    1,933.94x = 2,896.26 × 1,109.72
  4. Step 4: Simplify right side
    1,933.94x = 3,214,037.65
  5. Step 5: Solve for x
    x = 3,214,037.65/1,933.94
  6. Step 6: Final answer
    x = 1,661.91

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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.