Home / 2,623.70-3,936.47-1,163.88

Finding the Fourth Proportional to 2,623.70, 3,936.47 and 1,163.88

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Solution

The fourth proportional to 2,623.70, 3,936.47 and 1,163.88 is: 1,746.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,623.70 : 3,936.47 = 1,163.88 : x
  2. Step 2: Convert to fraction form
    2,623.70/3,936.47 = 1,163.88/x
  3. Step 3: Cross multiply
    2,623.70x = 3,936.47 × 1,163.88
  4. Step 4: Simplify right side
    2,623.70x = 4,581,572.88
  5. Step 5: Solve for x
    x = 4,581,572.88/2,623.70
  6. Step 6: Final answer
    x = 1,746.22

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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.