Home / 3,975.24-5,961.87-1,201.70

Finding the Fourth Proportional to 3,975.24, 5,961.87 and 1,201.70

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Solution

The fourth proportional to 3,975.24, 5,961.87 and 1,201.70 is: 1,802.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975.24 : 5,961.87 = 1,201.70 : x
  2. Step 2: Convert to fraction form
    3,975.24/5,961.87 = 1,201.70/x
  3. Step 3: Cross multiply
    3,975.24x = 5,961.87 × 1,201.70
  4. Step 4: Simplify right side
    3,975.24x = 7,164,394.08
  5. Step 5: Solve for x
    x = 7,164,394.08/3,975.24
  6. Step 6: Final answer
    x = 1,802.25

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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.