Home / 1,100.70-1,518.39-893.34

Finding the Fourth Proportional to 1,100.70, 1,518.39 and 893.34

Calculator

Solution

The fourth proportional to 1,100.70, 1,518.39 and 893.34 is: 1,232.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100.70 : 1,518.39 = 893.34 : x
  2. Step 2: Convert to fraction form
    1,100.70/1,518.39 = 893.34/x
  3. Step 3: Cross multiply
    1,100.70x = 1,518.39 × 893.34
  4. Step 4: Simplify right side
    1,100.70x = 1,356,438.52
  5. Step 5: Solve for x
    x = 1,356,438.52/1,100.70
  6. Step 6: Final answer
    x = 1,232.34

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.