Home / 1,789.26-2,470.02-1,200.18

Finding the Fourth Proportional to 1,789.26, 2,470.02 and 1,200.18

Calculator

Solution

The fourth proportional to 1,789.26, 2,470.02 and 1,200.18 is: 1,656.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,789.26 : 2,470.02 = 1,200.18 : x
  2. Step 2: Convert to fraction form
    1,789.26/2,470.02 = 1,200.18/x
  3. Step 3: Cross multiply
    1,789.26x = 2,470.02 × 1,200.18
  4. Step 4: Simplify right side
    1,789.26x = 2,964,468.60
  5. Step 5: Solve for x
    x = 2,964,468.60/1,789.26
  6. Step 6: Final answer
    x = 1,656.81

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.