Home / 3,326.73-4,989.80-1,245.75

Finding the Fourth Proportional to 3,326.73, 4,989.80 and 1,245.75

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Solution

The fourth proportional to 3,326.73, 4,989.80 and 1,245.75 is: 1,868.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,326.73 : 4,989.80 = 1,245.75 : x
  2. Step 2: Convert to fraction form
    3,326.73/4,989.80 = 1,245.75/x
  3. Step 3: Cross multiply
    3,326.73x = 4,989.80 × 1,245.75
  4. Step 4: Simplify right side
    3,326.73x = 6,216,037.12
  5. Step 5: Solve for x
    x = 6,216,037.12/3,326.73
  6. Step 6: Final answer
    x = 1,868.51

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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.