Home / 3,812.73-5,719.97-1,621.53

Finding the Fourth Proportional to 3,812.73, 5,719.97 and 1,621.53

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Solution

The fourth proportional to 3,812.73, 5,719.97 and 1,621.53 is: 2,432.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,812.73 : 5,719.97 = 1,621.53 : x
  2. Step 2: Convert to fraction form
    3,812.73/5,719.97 = 1,621.53/x
  3. Step 3: Cross multiply
    3,812.73x = 5,719.97 × 1,621.53
  4. Step 4: Simplify right side
    3,812.73x = 9,275,102.95
  5. Step 5: Solve for x
    x = 9,275,102.95/3,812.73
  6. Step 6: Final answer
    x = 2,432.67

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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.