Home / 912.51-1,367.76-425.16

Finding the Fourth Proportional to 912.51, 1,367.76 and 425.16

Calculator

Solution

The fourth proportional to 912.51, 1,367.76 and 425.16 is: 637.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    912.51 : 1,367.76 = 425.16 : x
  2. Step 2: Convert to fraction form
    912.51/1,367.76 = 425.16/x
  3. Step 3: Cross multiply
    912.51x = 1,367.76 × 425.16
  4. Step 4: Simplify right side
    912.51x = 581,516.84
  5. Step 5: Solve for x
    x = 581,516.84/912.51
  6. Step 6: Final answer
    x = 637.27

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.