Home / 1,611.39-2,223.68-948.28

Finding the Fourth Proportional to 1,611.39, 2,223.68 and 948.28

Calculator

Solution

The fourth proportional to 1,611.39, 2,223.68 and 948.28 is: 1,308.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611.39 : 2,223.68 = 948.28 : x
  2. Step 2: Convert to fraction form
    1,611.39/2,223.68 = 948.28/x
  3. Step 3: Cross multiply
    1,611.39x = 2,223.68 × 948.28
  4. Step 4: Simplify right side
    1,611.39x = 2,108,669.31
  5. Step 5: Solve for x
    x = 2,108,669.31/1,611.39
  6. Step 6: Final answer
    x = 1,308.60

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.