Home / 2,749.70-4,121.76-1,360.96

Finding the Fourth Proportional to 2,749.70, 4,121.76 and 1,360.96

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Solution

The fourth proportional to 2,749.70, 4,121.76 and 1,360.96 is: 2,040.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749.70 : 4,121.76 = 1,360.96 : x
  2. Step 2: Convert to fraction form
    2,749.70/4,121.76 = 1,360.96/x
  3. Step 3: Cross multiply
    2,749.70x = 4,121.76 × 1,360.96
  4. Step 4: Simplify right side
    2,749.70x = 5,609,550.49
  5. Step 5: Solve for x
    x = 5,609,550.49/2,749.70
  6. Step 6: Final answer
    x = 2,040.06

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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.