Home / 3,975.09-5,485.81-2,296.72

Finding the Fourth Proportional to 3,975.09, 5,485.81 and 2,296.72

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Solution

The fourth proportional to 3,975.09, 5,485.81 and 2,296.72 is: 3,169.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975.09 : 5,485.81 = 2,296.72 : x
  2. Step 2: Convert to fraction form
    3,975.09/5,485.81 = 2,296.72/x
  3. Step 3: Cross multiply
    3,975.09x = 5,485.81 × 2,296.72
  4. Step 4: Simplify right side
    3,975.09x = 12,599,350.09
  5. Step 5: Solve for x
    x = 12,599,350.09/3,975.09
  6. Step 6: Final answer
    x = 3,169.58

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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.