Home / 1,081.59-1,622.31-351.11

Finding the Fourth Proportional to 1,081.59, 1,622.31 and 351.11

Calculator

Solution

The fourth proportional to 1,081.59, 1,622.31 and 351.11 is: 526.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081.59 : 1,622.31 = 351.11 : x
  2. Step 2: Convert to fraction form
    1,081.59/1,622.31 = 351.11/x
  3. Step 3: Cross multiply
    1,081.59x = 1,622.31 × 351.11
  4. Step 4: Simplify right side
    1,081.59x = 569,609.42
  5. Step 5: Solve for x
    x = 569,609.42/1,081.59
  6. Step 6: Final answer
    x = 526.64

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.