Home / 3,738.03-5,160.62-2,480.79

Finding the Fourth Proportional to 3,738.03, 5,160.62 and 2,480.79

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Solution

The fourth proportional to 3,738.03, 5,160.62 and 2,480.79 is: 3,424.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,738.03 : 5,160.62 = 2,480.79 : x
  2. Step 2: Convert to fraction form
    3,738.03/5,160.62 = 2,480.79/x
  3. Step 3: Cross multiply
    3,738.03x = 5,160.62 × 2,480.79
  4. Step 4: Simplify right side
    3,738.03x = 12,802,414.49
  5. Step 5: Solve for x
    x = 12,802,414.49/3,738.03
  6. Step 6: Final answer
    x = 3,424.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.