Home / 2,741.75-4,113.15-1,181.75

Finding the Fourth Proportional to 2,741.75, 4,113.15 and 1,181.75

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Solution

The fourth proportional to 2,741.75, 4,113.15 and 1,181.75 is: 1,772.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,741.75 : 4,113.15 = 1,181.75 : x
  2. Step 2: Convert to fraction form
    2,741.75/4,113.15 = 1,181.75/x
  3. Step 3: Cross multiply
    2,741.75x = 4,113.15 × 1,181.75
  4. Step 4: Simplify right side
    2,741.75x = 4,860,715.01
  5. Step 5: Solve for x
    x = 4,860,715.01/2,741.75
  6. Step 6: Final answer
    x = 1,772.85

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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.