Home / 3,114.96-4,669.68-1,165.80

Finding the Fourth Proportional to 3,114.96, 4,669.68 and 1,165.80

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Solution

The fourth proportional to 3,114.96, 4,669.68 and 1,165.80 is: 1,747.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114.96 : 4,669.68 = 1,165.80 : x
  2. Step 2: Convert to fraction form
    3,114.96/4,669.68 = 1,165.80/x
  3. Step 3: Cross multiply
    3,114.96x = 4,669.68 × 1,165.80
  4. Step 4: Simplify right side
    3,114.96x = 5,443,912.94
  5. Step 5: Solve for x
    x = 5,443,912.94/3,114.96
  6. Step 6: Final answer
    x = 1,747.67

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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.