Home / 1,490.66-2,231.82-1,375.82

Finding the Fourth Proportional to 1,490.66, 2,231.82 and 1,375.82

Calculator

Solution

The fourth proportional to 1,490.66, 2,231.82 and 1,375.82 is: 2,059.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490.66 : 2,231.82 = 1,375.82 : x
  2. Step 2: Convert to fraction form
    1,490.66/2,231.82 = 1,375.82/x
  3. Step 3: Cross multiply
    1,490.66x = 2,231.82 × 1,375.82
  4. Step 4: Simplify right side
    1,490.66x = 3,070,582.59
  5. Step 5: Solve for x
    x = 3,070,582.59/1,490.66
  6. Step 6: Final answer
    x = 2,059.88

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.