Home / 2,777.40-3,850.37-2,629.44

Finding the Fourth Proportional to 2,777.40, 3,850.37 and 2,629.44

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Solution

The fourth proportional to 2,777.40, 3,850.37 and 2,629.44 is: 3,645.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,777.40 : 3,850.37 = 2,629.44 : x
  2. Step 2: Convert to fraction form
    2,777.40/3,850.37 = 2,629.44/x
  3. Step 3: Cross multiply
    2,777.40x = 3,850.37 × 2,629.44
  4. Step 4: Simplify right side
    2,777.40x = 10,124,303.75
  5. Step 5: Solve for x
    x = 10,124,303.75/2,777.40
  6. Step 6: Final answer
    x = 3,645.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.