Home / 3,218.94-4,825.98-1,270.62

Finding the Fourth Proportional to 3,218.94, 4,825.98 and 1,270.62

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Solution

The fourth proportional to 3,218.94, 4,825.98 and 1,270.62 is: 1,904.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218.94 : 4,825.98 = 1,270.62 : x
  2. Step 2: Convert to fraction form
    3,218.94/4,825.98 = 1,270.62/x
  3. Step 3: Cross multiply
    3,218.94x = 4,825.98 × 1,270.62
  4. Step 4: Simplify right side
    3,218.94x = 6,131,986.71
  5. Step 5: Solve for x
    x = 6,131,986.71/3,218.94
  6. Step 6: Final answer
    x = 1,904.97

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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.