Home / 3,105.52-4,661.70-1,644.28

Finding the Fourth Proportional to 3,105.52, 4,661.70 and 1,644.28

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Solution

The fourth proportional to 3,105.52, 4,661.70 and 1,644.28 is: 2,468.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105.52 : 4,661.70 = 1,644.28 : x
  2. Step 2: Convert to fraction form
    3,105.52/4,661.70 = 1,644.28/x
  3. Step 3: Cross multiply
    3,105.52x = 4,661.70 × 1,644.28
  4. Step 4: Simplify right side
    3,105.52x = 7,665,140.08
  5. Step 5: Solve for x
    x = 7,665,140.08/3,105.52
  6. Step 6: Final answer
    x = 2,468.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.