Home / 2,112.28-2,914.62-1,180.60

Finding the Fourth Proportional to 2,112.28, 2,914.62 and 1,180.60

Calculator

Solution

The fourth proportional to 2,112.28, 2,914.62 and 1,180.60 is: 1,629.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,112.28 : 2,914.62 = 1,180.60 : x
  2. Step 2: Convert to fraction form
    2,112.28/2,914.62 = 1,180.60/x
  3. Step 3: Cross multiply
    2,112.28x = 2,914.62 × 1,180.60
  4. Step 4: Simplify right side
    2,112.28x = 3,441,000.37
  5. Step 5: Solve for x
    x = 3,441,000.37/2,112.28
  6. Step 6: Final answer
    x = 1,629.05

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.