Home / 1,908.95-2,634.27-1,112.31

Finding the Fourth Proportional to 1,908.95, 2,634.27 and 1,112.31

Calculator

Solution

The fourth proportional to 1,908.95, 2,634.27 and 1,112.31 is: 1,534.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908.95 : 2,634.27 = 1,112.31 : x
  2. Step 2: Convert to fraction form
    1,908.95/2,634.27 = 1,112.31/x
  3. Step 3: Cross multiply
    1,908.95x = 2,634.27 × 1,112.31
  4. Step 4: Simplify right side
    1,908.95x = 2,930,120.69
  5. Step 5: Solve for x
    x = 2,930,120.69/1,908.95
  6. Step 6: Final answer
    x = 1,534.94

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.