Home / 3,100.09-4,273.20-2,435.80

Finding the Fourth Proportional to 3,100.09, 4,273.20 and 2,435.80

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Solution

The fourth proportional to 3,100.09, 4,273.20 and 2,435.80 is: 3,357.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100.09 : 4,273.20 = 2,435.80 : x
  2. Step 2: Convert to fraction form
    3,100.09/4,273.20 = 2,435.80/x
  3. Step 3: Cross multiply
    3,100.09x = 4,273.20 × 2,435.80
  4. Step 4: Simplify right side
    3,100.09x = 10,408,660.56
  5. Step 5: Solve for x
    x = 10,408,660.56/3,100.09
  6. Step 6: Final answer
    x = 3,357.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.