Home / 3,890.55-5,829.34-2,734.23

Finding the Fourth Proportional to 3,890.55, 5,829.34 and 2,734.23

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Solution

The fourth proportional to 3,890.55, 5,829.34 and 2,734.23 is: 4,096.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,890.55 : 5,829.34 = 2,734.23 : x
  2. Step 2: Convert to fraction form
    3,890.55/5,829.34 = 2,734.23/x
  3. Step 3: Cross multiply
    3,890.55x = 5,829.34 × 2,734.23
  4. Step 4: Simplify right side
    3,890.55x = 15,938,756.31
  5. Step 5: Solve for x
    x = 15,938,756.31/3,890.55
  6. Step 6: Final answer
    x = 4,096.79

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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.