Home / 2,731.75-4,093.88-1,792.76

Finding the Fourth Proportional to 2,731.75, 4,093.88 and 1,792.76

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Solution

The fourth proportional to 2,731.75, 4,093.88 and 1,792.76 is: 2,686.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731.75 : 4,093.88 = 1,792.76 : x
  2. Step 2: Convert to fraction form
    2,731.75/4,093.88 = 1,792.76/x
  3. Step 3: Cross multiply
    2,731.75x = 4,093.88 × 1,792.76
  4. Step 4: Simplify right side
    2,731.75x = 7,339,314.88
  5. Step 5: Solve for x
    x = 7,339,314.88/2,731.75
  6. Step 6: Final answer
    x = 2,686.67

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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.