Home / 2,101.38-2,899.56-1,356.33

Finding the Fourth Proportional to 2,101.38, 2,899.56 and 1,356.33

Calculator

Solution

The fourth proportional to 2,101.38, 2,899.56 and 1,356.33 is: 1,871.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,101.38 : 2,899.56 = 1,356.33 : x
  2. Step 2: Convert to fraction form
    2,101.38/2,899.56 = 1,356.33/x
  3. Step 3: Cross multiply
    2,101.38x = 2,899.56 × 1,356.33
  4. Step 4: Simplify right side
    2,101.38x = 3,932,760.21
  5. Step 5: Solve for x
    x = 3,932,760.21/2,101.38
  6. Step 6: Final answer
    x = 1,871.51

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.