Home / 3,110.38-4,651.65-2,765.86

Finding the Fourth Proportional to 3,110.38, 4,651.65 and 2,765.86

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Solution

The fourth proportional to 3,110.38, 4,651.65 and 2,765.86 is: 4,136.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.38 : 4,651.65 = 2,765.86 : x
  2. Step 2: Convert to fraction form
    3,110.38/4,651.65 = 2,765.86/x
  3. Step 3: Cross multiply
    3,110.38x = 4,651.65 × 2,765.86
  4. Step 4: Simplify right side
    3,110.38x = 12,865,812.67
  5. Step 5: Solve for x
    x = 12,865,812.67/3,110.38
  6. Step 6: Final answer
    x = 4,136.41

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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.