Home / 3,820.23-5,728.73-1,355.67

Finding the Fourth Proportional to 3,820.23, 5,728.73 and 1,355.67

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Solution

The fourth proportional to 3,820.23, 5,728.73 and 1,355.67 is: 2,032.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820.23 : 5,728.73 = 1,355.67 : x
  2. Step 2: Convert to fraction form
    3,820.23/5,728.73 = 1,355.67/x
  3. Step 3: Cross multiply
    3,820.23x = 5,728.73 × 1,355.67
  4. Step 4: Simplify right side
    3,820.23x = 7,766,260.62
  5. Step 5: Solve for x
    x = 7,766,260.62/3,820.23
  6. Step 6: Final answer
    x = 2,032.93

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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.