Home / 1,949.31-2,924.66-1,218.03

Finding the Fourth Proportional to 1,949.31, 2,924.66 and 1,218.03

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Solution

The fourth proportional to 1,949.31, 2,924.66 and 1,218.03 is: 1,827.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,949.31 : 2,924.66 = 1,218.03 : x
  2. Step 2: Convert to fraction form
    1,949.31/2,924.66 = 1,218.03/x
  3. Step 3: Cross multiply
    1,949.31x = 2,924.66 × 1,218.03
  4. Step 4: Simplify right side
    1,949.31x = 3,562,317.53
  5. Step 5: Solve for x
    x = 3,562,317.53/1,949.31
  6. Step 6: Final answer
    x = 1,827.48

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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.