Home / 3,021.52-4,529.88-1,172.56

Finding the Fourth Proportional to 3,021.52, 4,529.88 and 1,172.56

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Solution

The fourth proportional to 3,021.52, 4,529.88 and 1,172.56 is: 1,757.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021.52 : 4,529.88 = 1,172.56 : x
  2. Step 2: Convert to fraction form
    3,021.52/4,529.88 = 1,172.56/x
  3. Step 3: Cross multiply
    3,021.52x = 4,529.88 × 1,172.56
  4. Step 4: Simplify right side
    3,021.52x = 5,311,556.09
  5. Step 5: Solve for x
    x = 5,311,556.09/3,021.52
  6. Step 6: Final answer
    x = 1,757.91

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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.