Home / 2,965.13-4,091.85-1,638.85

Finding the Fourth Proportional to 2,965.13, 4,091.85 and 1,638.85

Calculator

Solution

The fourth proportional to 2,965.13, 4,091.85 and 1,638.85 is: 2,261.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,965.13 : 4,091.85 = 1,638.85 : x
  2. Step 2: Convert to fraction form
    2,965.13/4,091.85 = 1,638.85/x
  3. Step 3: Cross multiply
    2,965.13x = 4,091.85 × 1,638.85
  4. Step 4: Simplify right side
    2,965.13x = 6,705,915.47
  5. Step 5: Solve for x
    x = 6,705,915.47/2,965.13
  6. Step 6: Final answer
    x = 2,261.59

Related Problems

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.