Home / 3,821.01-5,727.87-1,222.17

Finding the Fourth Proportional to 3,821.01, 5,727.87 and 1,222.17

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Solution

The fourth proportional to 3,821.01, 5,727.87 and 1,222.17 is: 1,832.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.01 : 5,727.87 = 1,222.17 : x
  2. Step 2: Convert to fraction form
    3,821.01/5,727.87 = 1,222.17/x
  3. Step 3: Cross multiply
    3,821.01x = 5,727.87 × 1,222.17
  4. Step 4: Simplify right side
    3,821.01x = 7,000,430.88
  5. Step 5: Solve for x
    x = 7,000,430.88/3,821.01
  6. Step 6: Final answer
    x = 1,832.09

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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.