Home / 3,140.55-4,706.78-2,273.85

Finding the Fourth Proportional to 3,140.55, 4,706.78 and 2,273.85

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Solution

The fourth proportional to 3,140.55, 4,706.78 and 2,273.85 is: 3,407.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140.55 : 4,706.78 = 2,273.85 : x
  2. Step 2: Convert to fraction form
    3,140.55/4,706.78 = 2,273.85/x
  3. Step 3: Cross multiply
    3,140.55x = 4,706.78 × 2,273.85
  4. Step 4: Simplify right side
    3,140.55x = 10,702,500.33
  5. Step 5: Solve for x
    x = 10,702,500.33/3,140.55
  6. Step 6: Final answer
    x = 3,407.84

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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.