Home / 3,571.53-5,356.49-1,379.67

Finding the Fourth Proportional to 3,571.53, 5,356.49 and 1,379.67

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Solution

The fourth proportional to 3,571.53, 5,356.49 and 1,379.67 is: 2,069.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571.53 : 5,356.49 = 1,379.67 : x
  2. Step 2: Convert to fraction form
    3,571.53/5,356.49 = 1,379.67/x
  3. Step 3: Cross multiply
    3,571.53x = 5,356.49 × 1,379.67
  4. Step 4: Simplify right side
    3,571.53x = 7,390,181.66
  5. Step 5: Solve for x
    x = 7,390,181.66/3,571.53
  6. Step 6: Final answer
    x = 2,069.19

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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.