Home / 1,636.25-2,258.04-890.22

Finding the Fourth Proportional to 1,636.25, 2,258.04 and 890.22

Calculator

Solution

The fourth proportional to 1,636.25, 2,258.04 and 890.22 is: 1,228.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636.25 : 2,258.04 = 890.22 : x
  2. Step 2: Convert to fraction form
    1,636.25/2,258.04 = 890.22/x
  3. Step 3: Cross multiply
    1,636.25x = 2,258.04 × 890.22
  4. Step 4: Simplify right side
    1,636.25x = 2,010,152.37
  5. Step 5: Solve for x
    x = 2,010,152.37/1,636.25
  6. Step 6: Final answer
    x = 1,228.52

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.