Home / 2,749.92-4,123.92-1,106.04

Finding the Fourth Proportional to 2,749.92, 4,123.92 and 1,106.04

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Solution

The fourth proportional to 2,749.92, 4,123.92 and 1,106.04 is: 1,658.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749.92 : 4,123.92 = 1,106.04 : x
  2. Step 2: Convert to fraction form
    2,749.92/4,123.92 = 1,106.04/x
  3. Step 3: Cross multiply
    2,749.92x = 4,123.92 × 1,106.04
  4. Step 4: Simplify right side
    2,749.92x = 4,561,220.48
  5. Step 5: Solve for x
    x = 4,561,220.48/2,749.92
  6. Step 6: Final answer
    x = 1,658.67

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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.