Home / 2,612.63-3,917.92-1,150.75

Finding the Fourth Proportional to 2,612.63, 3,917.92 and 1,150.75

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Solution

The fourth proportional to 2,612.63, 3,917.92 and 1,150.75 is: 1,725.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,612.63 : 3,917.92 = 1,150.75 : x
  2. Step 2: Convert to fraction form
    2,612.63/3,917.92 = 1,150.75/x
  3. Step 3: Cross multiply
    2,612.63x = 3,917.92 × 1,150.75
  4. Step 4: Simplify right side
    2,612.63x = 4,508,546.44
  5. Step 5: Solve for x
    x = 4,508,546.44/2,612.63
  6. Step 6: Final answer
    x = 1,725.67

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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.