Home / 2,725.74-3,761.61-1,930.49

Finding the Fourth Proportional to 2,725.74, 3,761.61 and 1,930.49

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Solution

The fourth proportional to 2,725.74, 3,761.61 and 1,930.49 is: 2,664.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,725.74 : 3,761.61 = 1,930.49 : x
  2. Step 2: Convert to fraction form
    2,725.74/3,761.61 = 1,930.49/x
  3. Step 3: Cross multiply
    2,725.74x = 3,761.61 × 1,930.49
  4. Step 4: Simplify right side
    2,725.74x = 7,261,759.89
  5. Step 5: Solve for x
    x = 7,261,759.89/2,725.74
  6. Step 6: Final answer
    x = 2,664.14

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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.