Home / 1,786.22-2,466.99-1,508.79

Finding the Fourth Proportional to 1,786.22, 2,466.99 and 1,508.79

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Solution

The fourth proportional to 1,786.22, 2,466.99 and 1,508.79 is: 2,083.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786.22 : 2,466.99 = 1,508.79 : x
  2. Step 2: Convert to fraction form
    1,786.22/2,466.99 = 1,508.79/x
  3. Step 3: Cross multiply
    1,786.22x = 2,466.99 × 1,508.79
  4. Step 4: Simplify right side
    1,786.22x = 3,722,169.84
  5. Step 5: Solve for x
    x = 3,722,169.84/1,786.22
  6. Step 6: Final answer
    x = 2,083.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.