Home / 3,912-4,230

Finding the Third Proportional to 3,912 and 4,230

Calculator

Solution

The third proportional to 3,912 and 4,230 is: 4,573.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,912 : 4,230 = 4,230 : x
  2. Step 2: Convert to fraction form
    3,912/4,230 = 4,230/x
  3. Step 3: Cross multiply
    3,912x = 4,230 × 4,230
  4. Step 4: Simplify right side
    3,912x = 17,892,900
  5. Step 5: Solve for x
    x = 17,892,900/3,912
  6. Step 6: Final answer
    x = 4,573.85

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.