Home / 1,095.03-1,640.93-661.14

Finding the Fourth Proportional to 1,095.03, 1,640.93 and 661.14

Calculator

Solution

The fourth proportional to 1,095.03, 1,640.93 and 661.14 is: 990.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095.03 : 1,640.93 = 661.14 : x
  2. Step 2: Convert to fraction form
    1,095.03/1,640.93 = 661.14/x
  3. Step 3: Cross multiply
    1,095.03x = 1,640.93 × 661.14
  4. Step 4: Simplify right side
    1,095.03x = 1,084,881.15
  5. Step 5: Solve for x
    x = 1,084,881.15/1,095.03
  6. Step 6: Final answer
    x = 990.73

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.