Home / 1,231.94-1,848.62-1,222.04

Finding the Fourth Proportional to 1,231.94, 1,848.62 and 1,222.04

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Solution

The fourth proportional to 1,231.94, 1,848.62 and 1,222.04 is: 1,833.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231.94 : 1,848.62 = 1,222.04 : x
  2. Step 2: Convert to fraction form
    1,231.94/1,848.62 = 1,222.04/x
  3. Step 3: Cross multiply
    1,231.94x = 1,848.62 × 1,222.04
  4. Step 4: Simplify right side
    1,231.94x = 2,259,081.40
  5. Step 5: Solve for x
    x = 2,259,081.40/1,231.94
  6. Step 6: Final answer
    x = 1,833.77

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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.