Home / 1,338.78-1,847.46-741.29

Finding the Fourth Proportional to 1,338.78, 1,847.46 and 741.29

Calculator

Solution

The fourth proportional to 1,338.78, 1,847.46 and 741.29 is: 1,022.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338.78 : 1,847.46 = 741.29 : x
  2. Step 2: Convert to fraction form
    1,338.78/1,847.46 = 741.29/x
  3. Step 3: Cross multiply
    1,338.78x = 1,847.46 × 741.29
  4. Step 4: Simplify right side
    1,338.78x = 1,369,500.79
  5. Step 5: Solve for x
    x = 1,369,500.79/1,338.78
  6. Step 6: Final answer
    x = 1,022.95

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.