Home / 1,369.52-2,054.64-395.70

Finding the Fourth Proportional to 1,369.52, 2,054.64 and 395.70

Calculator

Solution

The fourth proportional to 1,369.52, 2,054.64 and 395.70 is: 593.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369.52 : 2,054.64 = 395.70 : x
  2. Step 2: Convert to fraction form
    1,369.52/2,054.64 = 395.70/x
  3. Step 3: Cross multiply
    1,369.52x = 2,054.64 × 395.70
  4. Step 4: Simplify right side
    1,369.52x = 813,021.05
  5. Step 5: Solve for x
    x = 813,021.05/1,369.52
  6. Step 6: Final answer
    x = 593.65

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.