Home / 2,110.88-2,912.82-1,323.56

Finding the Fourth Proportional to 2,110.88, 2,912.82 and 1,323.56

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Solution

The fourth proportional to 2,110.88, 2,912.82 and 1,323.56 is: 1,826.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110.88 : 2,912.82 = 1,323.56 : x
  2. Step 2: Convert to fraction form
    2,110.88/2,912.82 = 1,323.56/x
  3. Step 3: Cross multiply
    2,110.88x = 2,912.82 × 1,323.56
  4. Step 4: Simplify right side
    2,110.88x = 3,855,292.04
  5. Step 5: Solve for x
    x = 3,855,292.04/2,110.88
  6. Step 6: Final answer
    x = 1,826.39

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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.