Home / 3,205.32-4,807.44-2,278.06

Finding the Fourth Proportional to 3,205.32, 4,807.44 and 2,278.06

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Solution

The fourth proportional to 3,205.32, 4,807.44 and 2,278.06 is: 3,416.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,205.32 : 4,807.44 = 2,278.06 : x
  2. Step 2: Convert to fraction form
    3,205.32/4,807.44 = 2,278.06/x
  3. Step 3: Cross multiply
    3,205.32x = 4,807.44 × 2,278.06
  4. Step 4: Simplify right side
    3,205.32x = 10,951,636.77
  5. Step 5: Solve for x
    x = 10,951,636.77/3,205.32
  6. Step 6: Final answer
    x = 3,416.71

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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.