Home / 2,096.84-3,146.52-781.56

Finding the Fourth Proportional to 2,096.84, 3,146.52 and 781.56

Calculator

Solution

The fourth proportional to 2,096.84, 3,146.52 and 781.56 is: 1,172.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,096.84 : 3,146.52 = 781.56 : x
  2. Step 2: Convert to fraction form
    2,096.84/3,146.52 = 781.56/x
  3. Step 3: Cross multiply
    2,096.84x = 3,146.52 × 781.56
  4. Step 4: Simplify right side
    2,096.84x = 2,459,194.17
  5. Step 5: Solve for x
    x = 2,459,194.17/2,096.84
  6. Step 6: Final answer
    x = 1,172.81

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.