Home / 1,929.35-2,662.36-1,090.15

Finding the Fourth Proportional to 1,929.35, 2,662.36 and 1,090.15

Calculator

Solution

The fourth proportional to 1,929.35, 2,662.36 and 1,090.15 is: 1,504.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929.35 : 2,662.36 = 1,090.15 : x
  2. Step 2: Convert to fraction form
    1,929.35/2,662.36 = 1,090.15/x
  3. Step 3: Cross multiply
    1,929.35x = 2,662.36 × 1,090.15
  4. Step 4: Simplify right side
    1,929.35x = 2,902,362.37
  5. Step 5: Solve for x
    x = 2,902,362.37/1,929.35
  6. Step 6: Final answer
    x = 1,504.32

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.