Home / 1,778.74-2,665.41-1,367.26

Finding the Fourth Proportional to 1,778.74, 2,665.41 and 1,367.26

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Solution

The fourth proportional to 1,778.74, 2,665.41 and 1,367.26 is: 2,048.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778.74 : 2,665.41 = 1,367.26 : x
  2. Step 2: Convert to fraction form
    1,778.74/2,665.41 = 1,367.26/x
  3. Step 3: Cross multiply
    1,778.74x = 2,665.41 × 1,367.26
  4. Step 4: Simplify right side
    1,778.74x = 3,644,308.48
  5. Step 5: Solve for x
    x = 3,644,308.48/1,778.74
  6. Step 6: Final answer
    x = 2,048.81

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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.