Home / 2,182.32-3,011.34-1,238.22

Finding the Fourth Proportional to 2,182.32, 3,011.34 and 1,238.22

Calculator

Solution

The fourth proportional to 2,182.32, 3,011.34 and 1,238.22 is: 1,708.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,182.32 : 3,011.34 = 1,238.22 : x
  2. Step 2: Convert to fraction form
    2,182.32/3,011.34 = 1,238.22/x
  3. Step 3: Cross multiply
    2,182.32x = 3,011.34 × 1,238.22
  4. Step 4: Simplify right side
    2,182.32x = 3,728,701.41
  5. Step 5: Solve for x
    x = 3,728,701.41/2,182.32
  6. Step 6: Final answer
    x = 1,708.60

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.