Home / 3,251.47-4,867.69-2,015.15

Finding the Fourth Proportional to 3,251.47, 4,867.69 and 2,015.15

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Solution

The fourth proportional to 3,251.47, 4,867.69 and 2,015.15 is: 3,016.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.47 : 4,867.69 = 2,015.15 : x
  2. Step 2: Convert to fraction form
    3,251.47/4,867.69 = 2,015.15/x
  3. Step 3: Cross multiply
    3,251.47x = 4,867.69 × 2,015.15
  4. Step 4: Simplify right side
    3,251.47x = 9,809,115.43
  5. Step 5: Solve for x
    x = 9,809,115.43/3,251.47
  6. Step 6: Final answer
    x = 3,016.82

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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.