Home / 3,102.81-4,650.11-2,277.21

Finding the Fourth Proportional to 3,102.81, 4,650.11 and 2,277.21

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Solution

The fourth proportional to 3,102.81, 4,650.11 and 2,277.21 is: 3,412.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102.81 : 4,650.11 = 2,277.21 : x
  2. Step 2: Convert to fraction form
    3,102.81/4,650.11 = 2,277.21/x
  3. Step 3: Cross multiply
    3,102.81x = 4,650.11 × 2,277.21
  4. Step 4: Simplify right side
    3,102.81x = 10,589,276.99
  5. Step 5: Solve for x
    x = 10,589,276.99/3,102.81
  6. Step 6: Final answer
    x = 3,412.80

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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.