Home / 3,216.58-4,846.50-2,908.78

Finding the Fourth Proportional to 3,216.58, 4,846.50 and 2,908.78

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Solution

The fourth proportional to 3,216.58, 4,846.50 and 2,908.78 is: 4,382.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216.58 : 4,846.50 = 2,908.78 : x
  2. Step 2: Convert to fraction form
    3,216.58/4,846.50 = 2,908.78/x
  3. Step 3: Cross multiply
    3,216.58x = 4,846.50 × 2,908.78
  4. Step 4: Simplify right side
    3,216.58x = 14,097,387.73
  5. Step 5: Solve for x
    x = 14,097,387.73/3,216.58
  6. Step 6: Final answer
    x = 4,382.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.