Home / 1,945.75-2,685.05-1,061.54

Finding the Fourth Proportional to 1,945.75, 2,685.05 and 1,061.54

Calculator

Solution

The fourth proportional to 1,945.75, 2,685.05 and 1,061.54 is: 1,464.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945.75 : 2,685.05 = 1,061.54 : x
  2. Step 2: Convert to fraction form
    1,945.75/2,685.05 = 1,061.54/x
  3. Step 3: Cross multiply
    1,945.75x = 2,685.05 × 1,061.54
  4. Step 4: Simplify right side
    1,945.75x = 2,850,282.67
  5. Step 5: Solve for x
    x = 2,850,282.67/1,945.75
  6. Step 6: Final answer
    x = 1,464.88

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.