Home / 1,515.96-2,092.57-926.55

Finding the Fourth Proportional to 1,515.96, 2,092.57 and 926.55

Calculator

Solution

The fourth proportional to 1,515.96, 2,092.57 and 926.55 is: 1,278.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515.96 : 2,092.57 = 926.55 : x
  2. Step 2: Convert to fraction form
    1,515.96/2,092.57 = 926.55/x
  3. Step 3: Cross multiply
    1,515.96x = 2,092.57 × 926.55
  4. Step 4: Simplify right side
    1,515.96x = 1,938,868.42
  5. Step 5: Solve for x
    x = 1,938,868.42/1,515.96
  6. Step 6: Final answer
    x = 1,278.97

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.