Home / 2,765.37-4,150.12-2,147.55

Finding the Fourth Proportional to 2,765.37, 4,150.12 and 2,147.55

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Solution

The fourth proportional to 2,765.37, 4,150.12 and 2,147.55 is: 3,222.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,765.37 : 4,150.12 = 2,147.55 : x
  2. Step 2: Convert to fraction form
    2,765.37/4,150.12 = 2,147.55/x
  3. Step 3: Cross multiply
    2,765.37x = 4,150.12 × 2,147.55
  4. Step 4: Simplify right side
    2,765.37x = 8,912,590.21
  5. Step 5: Solve for x
    x = 8,912,590.21/2,765.37
  6. Step 6: Final answer
    x = 3,222.93

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1.5x scale

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.