Home / 1,938.44-2,673.95-1,265.29

Finding the Fourth Proportional to 1,938.44, 2,673.95 and 1,265.29

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Solution

The fourth proportional to 1,938.44, 2,673.95 and 1,265.29 is: 1,745.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938.44 : 2,673.95 = 1,265.29 : x
  2. Step 2: Convert to fraction form
    1,938.44/2,673.95 = 1,265.29/x
  3. Step 3: Cross multiply
    1,938.44x = 2,673.95 × 1,265.29
  4. Step 4: Simplify right side
    1,938.44x = 3,383,318.67
  5. Step 5: Solve for x
    x = 3,383,318.67/1,938.44
  6. Step 6: Final answer
    x = 1,745.39

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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.