Home / 2,039.96-3,058.58-1,218.36

Finding the Fourth Proportional to 2,039.96, 3,058.58 and 1,218.36

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Solution

The fourth proportional to 2,039.96, 3,058.58 and 1,218.36 is: 1,826.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,039.96 : 3,058.58 = 1,218.36 : x
  2. Step 2: Convert to fraction form
    2,039.96/3,058.58 = 1,218.36/x
  3. Step 3: Cross multiply
    2,039.96x = 3,058.58 × 1,218.36
  4. Step 4: Simplify right side
    2,039.96x = 3,726,451.53
  5. Step 5: Solve for x
    x = 3,726,451.53/2,039.96
  6. Step 6: Final answer
    x = 1,826.73

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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.