Home / 3,133.14-4,324.71-1,938.54

Finding the Fourth Proportional to 3,133.14, 4,324.71 and 1,938.54

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Solution

The fourth proportional to 3,133.14, 4,324.71 and 1,938.54 is: 2,675.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.14 : 4,324.71 = 1,938.54 : x
  2. Step 2: Convert to fraction form
    3,133.14/4,324.71 = 1,938.54/x
  3. Step 3: Cross multiply
    3,133.14x = 4,324.71 × 1,938.54
  4. Step 4: Simplify right side
    3,133.14x = 8,383,623.32
  5. Step 5: Solve for x
    x = 8,383,623.32/3,133.14
  6. Step 6: Final answer
    x = 2,675.79

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1.5x scale

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.