Home / 2,749.14-4,123.91-1,105.69

Finding the Fourth Proportional to 2,749.14, 4,123.91 and 1,105.69

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Solution

The fourth proportional to 2,749.14, 4,123.91 and 1,105.69 is: 1,658.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749.14 : 4,123.91 = 1,105.69 : x
  2. Step 2: Convert to fraction form
    2,749.14/4,123.91 = 1,105.69/x
  3. Step 3: Cross multiply
    2,749.14x = 4,123.91 × 1,105.69
  4. Step 4: Simplify right side
    2,749.14x = 4,559,766.05
  5. Step 5: Solve for x
    x = 4,559,766.05/2,749.14
  6. Step 6: Final answer
    x = 1,658.62

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.