Home / 1,922.78-2,653.66-1,176.83

Finding the Fourth Proportional to 1,922.78, 2,653.66 and 1,176.83

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Solution

The fourth proportional to 1,922.78, 2,653.66 and 1,176.83 is: 1,624.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922.78 : 2,653.66 = 1,176.83 : x
  2. Step 2: Convert to fraction form
    1,922.78/2,653.66 = 1,176.83/x
  3. Step 3: Cross multiply
    1,922.78x = 2,653.66 × 1,176.83
  4. Step 4: Simplify right side
    1,922.78x = 3,122,910.39
  5. Step 5: Solve for x
    x = 3,122,910.39/1,922.78
  6. Step 6: Final answer
    x = 1,624.17

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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.