Home / 1,100.94-1,518.36-945.02

Finding the Fourth Proportional to 1,100.94, 1,518.36 and 945.02

Calculator

Solution

The fourth proportional to 1,100.94, 1,518.36 and 945.02 is: 1,303.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100.94 : 1,518.36 = 945.02 : x
  2. Step 2: Convert to fraction form
    1,100.94/1,518.36 = 945.02/x
  3. Step 3: Cross multiply
    1,100.94x = 1,518.36 × 945.02
  4. Step 4: Simplify right side
    1,100.94x = 1,434,880.57
  5. Step 5: Solve for x
    x = 1,434,880.57/1,100.94
  6. Step 6: Final answer
    x = 1,303.32

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.