Home / 2,080.08-3,112.56-1,840.32

Finding the Fourth Proportional to 2,080.08, 3,112.56 and 1,840.32

Calculator

Solution

The fourth proportional to 2,080.08, 3,112.56 and 1,840.32 is: 2,753.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080.08 : 3,112.56 = 1,840.32 : x
  2. Step 2: Convert to fraction form
    2,080.08/3,112.56 = 1,840.32/x
  3. Step 3: Cross multiply
    2,080.08x = 3,112.56 × 1,840.32
  4. Step 4: Simplify right side
    2,080.08x = 5,728,106.42
  5. Step 5: Solve for x
    x = 5,728,106.42/2,080.08
  6. Step 6: Final answer
    x = 2,753.79

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.