Home / 3,469.37-4,786.56-1,976.22

Finding the Fourth Proportional to 3,469.37, 4,786.56 and 1,976.22

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Solution

The fourth proportional to 3,469.37, 4,786.56 and 1,976.22 is: 2,726.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,469.37 : 4,786.56 = 1,976.22 : x
  2. Step 2: Convert to fraction form
    3,469.37/4,786.56 = 1,976.22/x
  3. Step 3: Cross multiply
    3,469.37x = 4,786.56 × 1,976.22
  4. Step 4: Simplify right side
    3,469.37x = 9,459,295.60
  5. Step 5: Solve for x
    x = 9,459,295.60/3,469.37
  6. Step 6: Final answer
    x = 2,726.52

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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.