Home / 2,080.87-2,871.86-1,196.66

Finding the Fourth Proportional to 2,080.87, 2,871.86 and 1,196.66

Calculator

Solution

The fourth proportional to 2,080.87, 2,871.86 and 1,196.66 is: 1,651.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080.87 : 2,871.86 = 1,196.66 : x
  2. Step 2: Convert to fraction form
    2,080.87/2,871.86 = 1,196.66/x
  3. Step 3: Cross multiply
    2,080.87x = 2,871.86 × 1,196.66
  4. Step 4: Simplify right side
    2,080.87x = 3,436,641.18
  5. Step 5: Solve for x
    x = 3,436,641.18/2,080.87
  6. Step 6: Final answer
    x = 1,651.54

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.