Home / 3,230.87-4,457.09-2,183.81

Finding the Fourth Proportional to 3,230.87, 4,457.09 and 2,183.81

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Solution

The fourth proportional to 3,230.87, 4,457.09 and 2,183.81 is: 3,012.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230.87 : 4,457.09 = 2,183.81 : x
  2. Step 2: Convert to fraction form
    3,230.87/4,457.09 = 2,183.81/x
  3. Step 3: Cross multiply
    3,230.87x = 4,457.09 × 2,183.81
  4. Step 4: Simplify right side
    3,230.87x = 9,733,420.89
  5. Step 5: Solve for x
    x = 9,733,420.89/3,230.87
  6. Step 6: Final answer
    x = 3,012.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.