Home / 1,082.12-1,492.71-750.83

Finding the Fourth Proportional to 1,082.12, 1,492.71 and 750.83

Calculator

Solution

The fourth proportional to 1,082.12, 1,492.71 and 750.83 is: 1,035.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082.12 : 1,492.71 = 750.83 : x
  2. Step 2: Convert to fraction form
    1,082.12/1,492.71 = 750.83/x
  3. Step 3: Cross multiply
    1,082.12x = 1,492.71 × 750.83
  4. Step 4: Simplify right side
    1,082.12x = 1,120,771.45
  5. Step 5: Solve for x
    x = 1,120,771.45/1,082.12
  6. Step 6: Final answer
    x = 1,035.72

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.