Home / 1,836.37-2,754.54-1,105.75

Finding the Fourth Proportional to 1,836.37, 2,754.54 and 1,105.75

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Solution

The fourth proportional to 1,836.37, 2,754.54 and 1,105.75 is: 1,658.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,836.37 : 2,754.54 = 1,105.75 : x
  2. Step 2: Convert to fraction form
    1,836.37/2,754.54 = 1,105.75/x
  3. Step 3: Cross multiply
    1,836.37x = 2,754.54 × 1,105.75
  4. Step 4: Simplify right side
    1,836.37x = 3,045,836.05
  5. Step 5: Solve for x
    x = 3,045,836.05/1,836.37
  6. Step 6: Final answer
    x = 1,658.62

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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.