Home / 3,976.18-5,485.74-2,273.46

Finding the Fourth Proportional to 3,976.18, 5,485.74 and 2,273.46

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Solution

The fourth proportional to 3,976.18, 5,485.74 and 2,273.46 is: 3,136.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976.18 : 5,485.74 = 2,273.46 : x
  2. Step 2: Convert to fraction form
    3,976.18/5,485.74 = 2,273.46/x
  3. Step 3: Cross multiply
    3,976.18x = 5,485.74 × 2,273.46
  4. Step 4: Simplify right side
    3,976.18x = 12,471,581.36
  5. Step 5: Solve for x
    x = 12,471,581.36/3,976.18
  6. Step 6: Final answer
    x = 3,136.58

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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.