Home / 4,279.68-5,906.16-2,416.80

Finding the Fourth Proportional to 4,279.68, 5,906.16 and 2,416.80

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Solution

The fourth proportional to 4,279.68, 5,906.16 and 2,416.80 is: 3,335.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.68 : 5,906.16 = 2,416.80 : x
  2. Step 2: Convert to fraction form
    4,279.68/5,906.16 = 2,416.80/x
  3. Step 3: Cross multiply
    4,279.68x = 5,906.16 × 2,416.80
  4. Step 4: Simplify right side
    4,279.68x = 14,274,007.49
  5. Step 5: Solve for x
    x = 14,274,007.49/4,279.68
  6. Step 6: Final answer
    x = 3,335.30

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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.