Home / 3,982.55-5,976.06-1,644.28

Finding the Fourth Proportional to 3,982.55, 5,976.06 and 1,644.28

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Solution

The fourth proportional to 3,982.55, 5,976.06 and 1,644.28 is: 2,467.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,982.55 : 5,976.06 = 1,644.28 : x
  2. Step 2: Convert to fraction form
    3,982.55/5,976.06 = 1,644.28/x
  3. Step 3: Cross multiply
    3,982.55x = 5,976.06 × 1,644.28
  4. Step 4: Simplify right side
    3,982.55x = 9,826,337.70
  5. Step 5: Solve for x
    x = 9,826,337.70/3,982.55
  6. Step 6: Final answer
    x = 2,467.35

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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.