Home / 3,102.06-4,284.99-2,956.26

Finding the Fourth Proportional to 3,102.06, 4,284.99 and 2,956.26

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Solution

The fourth proportional to 3,102.06, 4,284.99 and 2,956.26 is: 4,083.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102.06 : 4,284.99 = 2,956.26 : x
  2. Step 2: Convert to fraction form
    3,102.06/4,284.99 = 2,956.26/x
  3. Step 3: Cross multiply
    3,102.06x = 4,284.99 × 2,956.26
  4. Step 4: Simplify right side
    3,102.06x = 12,667,544.54
  5. Step 5: Solve for x
    x = 12,667,544.54/3,102.06
  6. Step 6: Final answer
    x = 4,083.59

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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.