Home / 1,338.52-1,846.92-814.36

Finding the Fourth Proportional to 1,338.52, 1,846.92 and 814.36

Calculator

Solution

The fourth proportional to 1,338.52, 1,846.92 and 814.36 is: 1,123.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338.52 : 1,846.92 = 814.36 : x
  2. Step 2: Convert to fraction form
    1,338.52/1,846.92 = 814.36/x
  3. Step 3: Cross multiply
    1,338.52x = 1,846.92 × 814.36
  4. Step 4: Simplify right side
    1,338.52x = 1,504,057.77
  5. Step 5: Solve for x
    x = 1,504,057.77/1,338.52
  6. Step 6: Final answer
    x = 1,123.67

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.