Home / 1,368.41-2,052.71-394.58

Finding the Fourth Proportional to 1,368.41, 2,052.71 and 394.58

Calculator

Solution

The fourth proportional to 1,368.41, 2,052.71 and 394.58 is: 591.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368.41 : 2,052.71 = 394.58 : x
  2. Step 2: Convert to fraction form
    1,368.41/2,052.71 = 394.58/x
  3. Step 3: Cross multiply
    1,368.41x = 2,052.71 × 394.58
  4. Step 4: Simplify right side
    1,368.41x = 809,964.43
  5. Step 5: Solve for x
    x = 809,964.43/1,368.41
  6. Step 6: Final answer
    x = 591.90

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.