Home / 3,975.36-5,485.37-2,206.94

Finding the Fourth Proportional to 3,975.36, 5,485.37 and 2,206.94

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Solution

The fourth proportional to 3,975.36, 5,485.37 and 2,206.94 is: 3,045.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975.36 : 5,485.37 = 2,206.94 : x
  2. Step 2: Convert to fraction form
    3,975.36/5,485.37 = 2,206.94/x
  3. Step 3: Cross multiply
    3,975.36x = 5,485.37 × 2,206.94
  4. Step 4: Simplify right side
    3,975.36x = 12,105,844.01
  5. Step 5: Solve for x
    x = 12,105,844.01/3,975.36
  6. Step 6: Final answer
    x = 3,045.22

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.