Home / 2,815.14-4,202.25-2,584.02

Finding the Fourth Proportional to 2,815.14, 4,202.25 and 2,584.02

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Solution

The fourth proportional to 2,815.14, 4,202.25 and 2,584.02 is: 3,857.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,815.14 : 4,202.25 = 2,584.02 : x
  2. Step 2: Convert to fraction form
    2,815.14/4,202.25 = 2,584.02/x
  3. Step 3: Cross multiply
    2,815.14x = 4,202.25 × 2,584.02
  4. Step 4: Simplify right side
    2,815.14x = 10,858,698.05
  5. Step 5: Solve for x
    x = 10,858,698.05/2,815.14
  6. Step 6: Final answer
    x = 3,857.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.