Home / 3,593.50-5,390.79-1,285.54

Finding the Fourth Proportional to 3,593.50, 5,390.79 and 1,285.54

Calculator

Solution

The fourth proportional to 3,593.50, 5,390.79 and 1,285.54 is: 1,928.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,593.50 : 5,390.79 = 1,285.54 : x
  2. Step 2: Convert to fraction form
    3,593.50/5,390.79 = 1,285.54/x
  3. Step 3: Cross multiply
    3,593.50x = 5,390.79 × 1,285.54
  4. Step 4: Simplify right side
    3,593.50x = 6,930,076.18
  5. Step 5: Solve for x
    x = 6,930,076.18/3,593.50
  6. Step 6: Final answer
    x = 1,928.50

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.