Home / 1,355.22-2,032.65-381.41

Finding the Fourth Proportional to 1,355.22, 2,032.65 and 381.41

Calculator

Solution

The fourth proportional to 1,355.22, 2,032.65 and 381.41 is: 572.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355.22 : 2,032.65 = 381.41 : x
  2. Step 2: Convert to fraction form
    1,355.22/2,032.65 = 381.41/x
  3. Step 3: Cross multiply
    1,355.22x = 2,032.65 × 381.41
  4. Step 4: Simplify right side
    1,355.22x = 775,262.87
  5. Step 5: Solve for x
    x = 775,262.87/1,355.22
  6. Step 6: Final answer
    x = 572.06

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.