Home / 3,721.06-5,579.97-1,255.22

Finding the Fourth Proportional to 3,721.06, 5,579.97 and 1,255.22

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Solution

The fourth proportional to 3,721.06, 5,579.97 and 1,255.22 is: 1,882.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721.06 : 5,579.97 = 1,255.22 : x
  2. Step 2: Convert to fraction form
    3,721.06/5,579.97 = 1,255.22/x
  3. Step 3: Cross multiply
    3,721.06x = 5,579.97 × 1,255.22
  4. Step 4: Simplify right side
    3,721.06x = 7,004,089.94
  5. Step 5: Solve for x
    x = 7,004,089.94/3,721.06
  6. Step 6: Final answer
    x = 1,882.28

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1.5x scale

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.