Home / 3,620.99-5,420.93-2,230.16

Finding the Fourth Proportional to 3,620.99, 5,420.93 and 2,230.16

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Solution

The fourth proportional to 3,620.99, 5,420.93 and 2,230.16 is: 3,338.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620.99 : 5,420.93 = 2,230.16 : x
  2. Step 2: Convert to fraction form
    3,620.99/5,420.93 = 2,230.16/x
  3. Step 3: Cross multiply
    3,620.99x = 5,420.93 × 2,230.16
  4. Step 4: Simplify right side
    3,620.99x = 12,089,502.99
  5. Step 5: Solve for x
    x = 12,089,502.99/3,620.99
  6. Step 6: Final answer
    x = 3,338.73

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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.