Home / 2,845.65-4,263.79-1,747.70

Finding the Fourth Proportional to 2,845.65, 4,263.79 and 1,747.70

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Solution

The fourth proportional to 2,845.65, 4,263.79 and 1,747.70 is: 2,618.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.65 : 4,263.79 = 1,747.70 : x
  2. Step 2: Convert to fraction form
    2,845.65/4,263.79 = 1,747.70/x
  3. Step 3: Cross multiply
    2,845.65x = 4,263.79 × 1,747.70
  4. Step 4: Simplify right side
    2,845.65x = 7,451,825.78
  5. Step 5: Solve for x
    x = 7,451,825.78/2,845.65
  6. Step 6: Final answer
    x = 2,618.67

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.