Home / 3,009.09-4,515.25-1,255.30

Finding the Fourth Proportional to 3,009.09, 4,515.25 and 1,255.30

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Solution

The fourth proportional to 3,009.09, 4,515.25 and 1,255.30 is: 1,883.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,009.09 : 4,515.25 = 1,255.30 : x
  2. Step 2: Convert to fraction form
    3,009.09/4,515.25 = 1,255.30/x
  3. Step 3: Cross multiply
    3,009.09x = 4,515.25 × 1,255.30
  4. Step 4: Simplify right side
    3,009.09x = 5,667,993.33
  5. Step 5: Solve for x
    x = 5,667,993.33/3,009.09
  6. Step 6: Final answer
    x = 1,883.62

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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.