Home / 1,226.88-1,831.82-1,104.03

Finding the Fourth Proportional to 1,226.88, 1,831.82 and 1,104.03

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Solution

The fourth proportional to 1,226.88, 1,831.82 and 1,104.03 is: 1,648.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226.88 : 1,831.82 = 1,104.03 : x
  2. Step 2: Convert to fraction form
    1,226.88/1,831.82 = 1,104.03/x
  3. Step 3: Cross multiply
    1,226.88x = 1,831.82 × 1,104.03
  4. Step 4: Simplify right side
    1,226.88x = 2,022,378.71
  5. Step 5: Solve for x
    x = 2,022,378.71/1,226.88
  6. Step 6: Final answer
    x = 1,648.39

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.