Home / 1,968.81-2,936.60-1,910.44

Finding the Fourth Proportional to 1,968.81, 2,936.60 and 1,910.44

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Solution

The fourth proportional to 1,968.81, 2,936.60 and 1,910.44 is: 2,849.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968.81 : 2,936.60 = 1,910.44 : x
  2. Step 2: Convert to fraction form
    1,968.81/2,936.60 = 1,910.44/x
  3. Step 3: Cross multiply
    1,968.81x = 2,936.60 × 1,910.44
  4. Step 4: Simplify right side
    1,968.81x = 5,610,193.61
  5. Step 5: Solve for x
    x = 5,610,193.61/1,968.81
  6. Step 6: Final answer
    x = 2,849.54

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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.