Home / 1,945.58-2,684.80-1,061.38

Finding the Fourth Proportional to 1,945.58, 2,684.80 and 1,061.38

Calculator

Solution

The fourth proportional to 1,945.58, 2,684.80 and 1,061.38 is: 1,464.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945.58 : 2,684.80 = 1,061.38 : x
  2. Step 2: Convert to fraction form
    1,945.58/2,684.80 = 1,061.38/x
  3. Step 3: Cross multiply
    1,945.58x = 2,684.80 × 1,061.38
  4. Step 4: Simplify right side
    1,945.58x = 2,849,593.02
  5. Step 5: Solve for x
    x = 2,849,593.02/1,945.58
  6. Step 6: Final answer
    x = 1,464.65

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.