Home / 1,036.91-1,555.27-343.57

Finding the Fourth Proportional to 1,036.91, 1,555.27 and 343.57

Calculator

Solution

The fourth proportional to 1,036.91, 1,555.27 and 343.57 is: 515.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036.91 : 1,555.27 = 343.57 : x
  2. Step 2: Convert to fraction form
    1,036.91/1,555.27 = 343.57/x
  3. Step 3: Cross multiply
    1,036.91x = 1,555.27 × 343.57
  4. Step 4: Simplify right side
    1,036.91x = 534,344.11
  5. Step 5: Solve for x
    x = 534,344.11/1,036.91
  6. Step 6: Final answer
    x = 515.32

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.