Home / 4,078.88-6,119.69-1,738.79

Finding the Fourth Proportional to 4,078.88, 6,119.69 and 1,738.79

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Solution

The fourth proportional to 4,078.88, 6,119.69 and 1,738.79 is: 2,608.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.88 : 6,119.69 = 1,738.79 : x
  2. Step 2: Convert to fraction form
    4,078.88/6,119.69 = 1,738.79/x
  3. Step 3: Cross multiply
    4,078.88x = 6,119.69 × 1,738.79
  4. Step 4: Simplify right side
    4,078.88x = 10,640,816.48
  5. Step 5: Solve for x
    x = 10,640,816.48/4,078.88
  6. Step 6: Final answer
    x = 2,608.76

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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.