Home / 2,745.37-4,120.37-2,572.38

Finding the Fourth Proportional to 2,745.37, 4,120.37 and 2,572.38

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Solution

The fourth proportional to 2,745.37, 4,120.37 and 2,572.38 is: 3,860.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.37 : 4,120.37 = 2,572.38 : x
  2. Step 2: Convert to fraction form
    2,745.37/4,120.37 = 2,572.38/x
  3. Step 3: Cross multiply
    2,745.37x = 4,120.37 × 2,572.38
  4. Step 4: Simplify right side
    2,745.37x = 10,599,157.38
  5. Step 5: Solve for x
    x = 10,599,157.38/2,745.37
  6. Step 6: Final answer
    x = 3,860.74

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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.