Home / 3,133.38-4,324.92-1,953.75

Finding the Fourth Proportional to 3,133.38, 4,324.92 and 1,953.75

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Solution

The fourth proportional to 3,133.38, 4,324.92 and 1,953.75 is: 2,696.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.38 : 4,324.92 = 1,953.75 : x
  2. Step 2: Convert to fraction form
    3,133.38/4,324.92 = 1,953.75/x
  3. Step 3: Cross multiply
    3,133.38x = 4,324.92 × 1,953.75
  4. Step 4: Simplify right side
    3,133.38x = 8,449,812.45
  5. Step 5: Solve for x
    x = 8,449,812.45/3,133.38
  6. Step 6: Final answer
    x = 2,696.71

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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.