Home / 3,315.15-4,571.37-2,195.73

Finding the Fourth Proportional to 3,315.15, 4,571.37 and 2,195.73

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Solution

The fourth proportional to 3,315.15, 4,571.37 and 2,195.73 is: 3,027.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315.15 : 4,571.37 = 2,195.73 : x
  2. Step 2: Convert to fraction form
    3,315.15/4,571.37 = 2,195.73/x
  3. Step 3: Cross multiply
    3,315.15x = 4,571.37 × 2,195.73
  4. Step 4: Simplify right side
    3,315.15x = 10,037,494.25
  5. Step 5: Solve for x
    x = 10,037,494.25/3,315.15
  6. Step 6: Final answer
    x = 3,027.76

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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.