Home / 971.85-1,340.46-824.22

Finding the Fourth Proportional to 971.85, 1,340.46 and 824.22

Calculator

Solution

The fourth proportional to 971.85, 1,340.46 and 824.22 is: 1,136.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    971.85 : 1,340.46 = 824.22 : x
  2. Step 2: Convert to fraction form
    971.85/1,340.46 = 824.22/x
  3. Step 3: Cross multiply
    971.85x = 1,340.46 × 824.22
  4. Step 4: Simplify right side
    971.85x = 1,104,833.94
  5. Step 5: Solve for x
    x = 1,104,833.94/971.85
  6. Step 6: Final answer
    x = 1,136.84

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.