Home / 3,126.65-4,690.04-935.42

Finding the Fourth Proportional to 3,126.65, 4,690.04 and 935.42

Calculator

Solution

The fourth proportional to 3,126.65, 4,690.04 and 935.42 is: 1,403.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126.65 : 4,690.04 = 935.42 : x
  2. Step 2: Convert to fraction form
    3,126.65/4,690.04 = 935.42/x
  3. Step 3: Cross multiply
    3,126.65x = 4,690.04 × 935.42
  4. Step 4: Simplify right side
    3,126.65x = 4,387,129.09
  5. Step 5: Solve for x
    x = 4,387,129.09/3,126.65
  6. Step 6: Final answer
    x = 1,403.14

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.