Home / 1,362.36-1,879.50-948.60

Finding the Fourth Proportional to 1,362.36, 1,879.50 and 948.60

Calculator

Solution

The fourth proportional to 1,362.36, 1,879.50 and 948.60 is: 1,308.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362.36 : 1,879.50 = 948.60 : x
  2. Step 2: Convert to fraction form
    1,362.36/1,879.50 = 948.60/x
  3. Step 3: Cross multiply
    1,362.36x = 1,879.50 × 948.60
  4. Step 4: Simplify right side
    1,362.36x = 1,782,893.70
  5. Step 5: Solve for x
    x = 1,782,893.70/1,362.36
  6. Step 6: Final answer
    x = 1,308.68

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.