Home / 4,279.68-5,905.62-2,486.88

Finding the Fourth Proportional to 4,279.68, 5,905.62 and 2,486.88

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Solution

The fourth proportional to 4,279.68, 5,905.62 and 2,486.88 is: 3,431.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.68 : 5,905.62 = 2,486.88 : x
  2. Step 2: Convert to fraction form
    4,279.68/5,905.62 = 2,486.88/x
  3. Step 3: Cross multiply
    4,279.68x = 5,905.62 × 2,486.88
  4. Step 4: Simplify right side
    4,279.68x = 14,686,568.27
  5. Step 5: Solve for x
    x = 14,686,568.27/4,279.68
  6. Step 6: Final answer
    x = 3,431.70

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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.