Home / 2,622.76-3,936.88-1,162.94

Finding the Fourth Proportional to 2,622.76, 3,936.88 and 1,162.94

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Solution

The fourth proportional to 2,622.76, 3,936.88 and 1,162.94 is: 1,745.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,622.76 : 3,936.88 = 1,162.94 : x
  2. Step 2: Convert to fraction form
    2,622.76/3,936.88 = 1,162.94/x
  3. Step 3: Cross multiply
    2,622.76x = 3,936.88 × 1,162.94
  4. Step 4: Simplify right side
    2,622.76x = 4,578,355.23
  5. Step 5: Solve for x
    x = 4,578,355.23/2,622.76
  6. Step 6: Final answer
    x = 1,745.62

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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.