Home / 3,981.75-5,972.67-1,673.25

Finding the Fourth Proportional to 3,981.75, 5,972.67 and 1,673.25

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Solution

The fourth proportional to 3,981.75, 5,972.67 and 1,673.25 is: 2,509.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,981.75 : 5,972.67 = 1,673.25 : x
  2. Step 2: Convert to fraction form
    3,981.75/5,972.67 = 1,673.25/x
  3. Step 3: Cross multiply
    3,981.75x = 5,972.67 × 1,673.25
  4. Step 4: Simplify right side
    3,981.75x = 9,993,770.08
  5. Step 5: Solve for x
    x = 9,993,770.08/3,981.75
  6. Step 6: Final answer
    x = 2,509.89

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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.