Home / 1,471.33-2,030.42-808.18

Finding the Fourth Proportional to 1,471.33, 2,030.42 and 808.18

Calculator

Solution

The fourth proportional to 1,471.33, 2,030.42 and 808.18 is: 1,115.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,471.33 : 2,030.42 = 808.18 : x
  2. Step 2: Convert to fraction form
    1,471.33/2,030.42 = 808.18/x
  3. Step 3: Cross multiply
    1,471.33x = 2,030.42 × 808.18
  4. Step 4: Simplify right side
    1,471.33x = 1,640,941.78
  5. Step 5: Solve for x
    x = 1,640,941.78/1,471.33
  6. Step 6: Final answer
    x = 1,115.28

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.