Home / 2,127.70-3,192.22-1,153.27

Finding the Fourth Proportional to 2,127.70, 3,192.22 and 1,153.27

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Solution

The fourth proportional to 2,127.70, 3,192.22 and 1,153.27 is: 1,730.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127.70 : 3,192.22 = 1,153.27 : x
  2. Step 2: Convert to fraction form
    2,127.70/3,192.22 = 1,153.27/x
  3. Step 3: Cross multiply
    2,127.70x = 3,192.22 × 1,153.27
  4. Step 4: Simplify right side
    2,127.70x = 3,681,469.83
  5. Step 5: Solve for x
    x = 3,681,469.83/2,127.70
  6. Step 6: Final answer
    x = 1,730.26

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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.