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Finding the Fourth Proportional to 3,661.44, 5,056.92 and 2,923.44

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Solution

The fourth proportional to 3,661.44, 5,056.92 and 2,923.44 is: 4,037.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,661.44 : 5,056.92 = 2,923.44 : x
  2. Step 2: Convert to fraction form
    3,661.44/5,056.92 = 2,923.44/x
  3. Step 3: Cross multiply
    3,661.44x = 5,056.92 × 2,923.44
  4. Step 4: Simplify right side
    3,661.44x = 14,783,602.20
  5. Step 5: Solve for x
    x = 14,783,602.20/3,661.44
  6. Step 6: Final answer
    x = 4,037.65

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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.