Home / 2,626.47-3,936.87-1,163.61

Finding the Fourth Proportional to 2,626.47, 3,936.87 and 1,163.61

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Solution

The fourth proportional to 2,626.47, 3,936.87 and 1,163.61 is: 1,744.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,626.47 : 3,936.87 = 1,163.61 : x
  2. Step 2: Convert to fraction form
    2,626.47/3,936.87 = 1,163.61/x
  3. Step 3: Cross multiply
    2,626.47x = 3,936.87 × 1,163.61
  4. Step 4: Simplify right side
    2,626.47x = 4,580,981.30
  5. Step 5: Solve for x
    x = 4,580,981.30/2,626.47
  6. Step 6: Final answer
    x = 1,744.16

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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.