Home / 2,103.25-2,902.73-1,219.08

Finding the Fourth Proportional to 2,103.25, 2,902.73 and 1,219.08

Calculator

Solution

The fourth proportional to 2,103.25, 2,902.73 and 1,219.08 is: 1,682.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103.25 : 2,902.73 = 1,219.08 : x
  2. Step 2: Convert to fraction form
    2,103.25/2,902.73 = 1,219.08/x
  3. Step 3: Cross multiply
    2,103.25x = 2,902.73 × 1,219.08
  4. Step 4: Simplify right side
    2,103.25x = 3,538,663.14
  5. Step 5: Solve for x
    x = 3,538,663.14/2,103.25
  6. Step 6: Final answer
    x = 1,682.48

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.