Home / 2,109.73-3,164.94-940.14

Finding the Fourth Proportional to 2,109.73, 3,164.94 and 940.14

Calculator

Solution

The fourth proportional to 2,109.73, 3,164.94 and 940.14 is: 1,410.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109.73 : 3,164.94 = 940.14 : x
  2. Step 2: Convert to fraction form
    2,109.73/3,164.94 = 940.14/x
  3. Step 3: Cross multiply
    2,109.73x = 3,164.94 × 940.14
  4. Step 4: Simplify right side
    2,109.73x = 2,975,486.69
  5. Step 5: Solve for x
    x = 2,975,486.69/2,109.73
  6. Step 6: Final answer
    x = 1,410.36

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.