Home / 2,738.88-4,126.61-2,479.21

Finding the Fourth Proportional to 2,738.88, 4,126.61 and 2,479.21

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Solution

The fourth proportional to 2,738.88, 4,126.61 and 2,479.21 is: 3,735.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,738.88 : 4,126.61 = 2,479.21 : x
  2. Step 2: Convert to fraction form
    2,738.88/4,126.61 = 2,479.21/x
  3. Step 3: Cross multiply
    2,738.88x = 4,126.61 × 2,479.21
  4. Step 4: Simplify right side
    2,738.88x = 10,230,728.66
  5. Step 5: Solve for x
    x = 10,230,728.66/2,738.88
  6. Step 6: Final answer
    x = 3,735.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.