Home / 2,858.09-4,286.04-1,008.59

Finding the Fourth Proportional to 2,858.09, 4,286.04 and 1,008.59

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Solution

The fourth proportional to 2,858.09, 4,286.04 and 1,008.59 is: 1,512.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,858.09 : 4,286.04 = 1,008.59 : x
  2. Step 2: Convert to fraction form
    2,858.09/4,286.04 = 1,008.59/x
  3. Step 3: Cross multiply
    2,858.09x = 4,286.04 × 1,008.59
  4. Step 4: Simplify right side
    2,858.09x = 4,322,857.08
  5. Step 5: Solve for x
    x = 4,322,857.08/2,858.09
  6. Step 6: Final answer
    x = 1,512.50

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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.