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Finding the Fourth Proportional to 3,568.94, 4,923.09 and 2,076.68

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Solution

The fourth proportional to 3,568.94, 4,923.09 and 2,076.68 is: 2,864.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,568.94 : 4,923.09 = 2,076.68 : x
  2. Step 2: Convert to fraction form
    3,568.94/4,923.09 = 2,076.68/x
  3. Step 3: Cross multiply
    3,568.94x = 4,923.09 × 2,076.68
  4. Step 4: Simplify right side
    3,568.94x = 10,223,682.54
  5. Step 5: Solve for x
    x = 10,223,682.54/3,568.94
  6. Step 6: Final answer
    x = 2,864.63

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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.