Home / 1,603-2,212.14-867

Finding the Fourth Proportional to 1,603, 2,212.14 and 867

Calculator

Solution

The fourth proportional to 1,603, 2,212.14 and 867 is: 1,196.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603 : 2,212.14 = 867 : x
  2. Step 2: Convert to fraction form
    1,603/2,212.14 = 867/x
  3. Step 3: Cross multiply
    1,603x = 2,212.14 × 867
  4. Step 4: Simplify right side
    1,603x = 1,917,925.38
  5. Step 5: Solve for x
    x = 1,917,925.38/1,603
  6. Step 6: Final answer
    x = 1,196.46

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.