Home / 1,738.36-2,607.54-814.56

Finding the Fourth Proportional to 1,738.36, 2,607.54 and 814.56

Calculator

Solution

The fourth proportional to 1,738.36, 2,607.54 and 814.56 is: 1,221.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738.36 : 2,607.54 = 814.56 : x
  2. Step 2: Convert to fraction form
    1,738.36/2,607.54 = 814.56/x
  3. Step 3: Cross multiply
    1,738.36x = 2,607.54 × 814.56
  4. Step 4: Simplify right side
    1,738.36x = 2,123,997.78
  5. Step 5: Solve for x
    x = 2,123,997.78/1,738.36
  6. Step 6: Final answer
    x = 1,221.84

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.