Home / 2,949.82-4,426.74-1,218.43

Finding the Fourth Proportional to 2,949.82, 4,426.74 and 1,218.43

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Solution

The fourth proportional to 2,949.82, 4,426.74 and 1,218.43 is: 1,828.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949.82 : 4,426.74 = 1,218.43 : x
  2. Step 2: Convert to fraction form
    2,949.82/4,426.74 = 1,218.43/x
  3. Step 3: Cross multiply
    2,949.82x = 4,426.74 × 1,218.43
  4. Step 4: Simplify right side
    2,949.82x = 5,393,672.82
  5. Step 5: Solve for x
    x = 5,393,672.82/2,949.82
  6. Step 6: Final answer
    x = 1,828.48

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.