Home / 2,986.19-4,481.21-1,254.81

Finding the Fourth Proportional to 2,986.19, 4,481.21 and 1,254.81

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Solution

The fourth proportional to 2,986.19, 4,481.21 and 1,254.81 is: 1,883.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986.19 : 4,481.21 = 1,254.81 : x
  2. Step 2: Convert to fraction form
    2,986.19/4,481.21 = 1,254.81/x
  3. Step 3: Cross multiply
    2,986.19x = 4,481.21 × 1,254.81
  4. Step 4: Simplify right side
    2,986.19x = 5,623,067.12
  5. Step 5: Solve for x
    x = 5,623,067.12/2,986.19
  6. Step 6: Final answer
    x = 1,883.02

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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.