Home / 3,821.93-5,728.27-1,972.02

Finding the Fourth Proportional to 3,821.93, 5,728.27 and 1,972.02

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Solution

The fourth proportional to 3,821.93, 5,728.27 and 1,972.02 is: 2,955.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.93 : 5,728.27 = 1,972.02 : x
  2. Step 2: Convert to fraction form
    3,821.93/5,728.27 = 1,972.02/x
  3. Step 3: Cross multiply
    3,821.93x = 5,728.27 × 1,972.02
  4. Step 4: Simplify right side
    3,821.93x = 11,296,267.14
  5. Step 5: Solve for x
    x = 11,296,267.14/3,821.93
  6. Step 6: Final answer
    x = 2,955.64

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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.