Home / 2,627.37-3,940.74-1,240.44

Finding the Fourth Proportional to 2,627.37, 3,940.74 and 1,240.44

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Solution

The fourth proportional to 2,627.37, 3,940.74 and 1,240.44 is: 1,860.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,627.37 : 3,940.74 = 1,240.44 : x
  2. Step 2: Convert to fraction form
    2,627.37/3,940.74 = 1,240.44/x
  3. Step 3: Cross multiply
    2,627.37x = 3,940.74 × 1,240.44
  4. Step 4: Simplify right side
    2,627.37x = 4,888,251.53
  5. Step 5: Solve for x
    x = 4,888,251.53/2,627.37
  6. Step 6: Final answer
    x = 1,860.51

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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.