Home / 3,861.46-5,795.84-1,782.60

Finding the Fourth Proportional to 3,861.46, 5,795.84 and 1,782.60

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Solution

The fourth proportional to 3,861.46, 5,795.84 and 1,782.60 is: 2,675.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,861.46 : 5,795.84 = 1,782.60 : x
  2. Step 2: Convert to fraction form
    3,861.46/5,795.84 = 1,782.60/x
  3. Step 3: Cross multiply
    3,861.46x = 5,795.84 × 1,782.60
  4. Step 4: Simplify right side
    3,861.46x = 10,331,664.38
  5. Step 5: Solve for x
    x = 10,331,664.38/3,861.46
  6. Step 6: Final answer
    x = 2,675.58

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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.