Home / 1,890.88-4,115.13

Finding the Third Proportional to 1,890.88 and 4,115.13

Calculator

Solution

The third proportional to 1,890.88 and 4,115.13 is: 8,955.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890.88 : 4,115.13 = 4,115.13 : x
  2. Step 2: Convert to fraction form
    1,890.88/4,115.13 = 4,115.13/x
  3. Step 3: Cross multiply
    1,890.88x = 4,115.13 × 4,115.13
  4. Step 4: Simplify right side
    1,890.88x = 16,934,253.77
  5. Step 5: Solve for x
    x = 16,934,253.77/1,890.88
  6. Step 6: Final answer
    x = 8,955.78

Related Problems

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.