Home / 945.88-1,415.14-636.26

Finding the Fourth Proportional to 945.88, 1,415.14 and 636.26

Calculator

Solution

The fourth proportional to 945.88, 1,415.14 and 636.26 is: 951.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    945.88 : 1,415.14 = 636.26 : x
  2. Step 2: Convert to fraction form
    945.88/1,415.14 = 636.26/x
  3. Step 3: Cross multiply
    945.88x = 1,415.14 × 636.26
  4. Step 4: Simplify right side
    945.88x = 900,388.31
  5. Step 5: Solve for x
    x = 900,388.31/945.88
  6. Step 6: Final answer
    x = 951.91

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.