Home / 1,452.84-2,004.93-789.69

Finding the Fourth Proportional to 1,452.84, 2,004.93 and 789.69

Calculator

Solution

The fourth proportional to 1,452.84, 2,004.93 and 789.69 is: 1,089.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452.84 : 2,004.93 = 789.69 : x
  2. Step 2: Convert to fraction form
    1,452.84/2,004.93 = 789.69/x
  3. Step 3: Cross multiply
    1,452.84x = 2,004.93 × 789.69
  4. Step 4: Simplify right side
    1,452.84x = 1,583,273.17
  5. Step 5: Solve for x
    x = 1,583,273.17/1,452.84
  6. Step 6: Final answer
    x = 1,089.78

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.