Home / 2,529.52-3,792.14-1,212.56

Finding the Fourth Proportional to 2,529.52, 3,792.14 and 1,212.56

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Solution

The fourth proportional to 2,529.52, 3,792.14 and 1,212.56 is: 1,817.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,529.52 : 3,792.14 = 1,212.56 : x
  2. Step 2: Convert to fraction form
    2,529.52/3,792.14 = 1,212.56/x
  3. Step 3: Cross multiply
    2,529.52x = 3,792.14 × 1,212.56
  4. Step 4: Simplify right side
    2,529.52x = 4,598,197.28
  5. Step 5: Solve for x
    x = 4,598,197.28/2,529.52
  6. Step 6: Final answer
    x = 1,817.81

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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.