Home / 2,761.24-3,806.58-2,203.48

Finding the Fourth Proportional to 2,761.24, 3,806.58 and 2,203.48

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Solution

The fourth proportional to 2,761.24, 3,806.58 and 2,203.48 is: 3,037.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,761.24 : 3,806.58 = 2,203.48 : x
  2. Step 2: Convert to fraction form
    2,761.24/3,806.58 = 2,203.48/x
  3. Step 3: Cross multiply
    2,761.24x = 3,806.58 × 2,203.48
  4. Step 4: Simplify right side
    2,761.24x = 8,387,722.90
  5. Step 5: Solve for x
    x = 8,387,722.90/2,761.24
  6. Step 6: Final answer
    x = 3,037.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.