Home / 3,255.90-4,882.41-947.58

Finding the Fourth Proportional to 3,255.90, 4,882.41 and 947.58

Calculator

Solution

The fourth proportional to 3,255.90, 4,882.41 and 947.58 is: 1,420.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.90 : 4,882.41 = 947.58 : x
  2. Step 2: Convert to fraction form
    3,255.90/4,882.41 = 947.58/x
  3. Step 3: Cross multiply
    3,255.90x = 4,882.41 × 947.58
  4. Step 4: Simplify right side
    3,255.90x = 4,626,474.07
  5. Step 5: Solve for x
    x = 4,626,474.07/3,255.90
  6. Step 6: Final answer
    x = 1,420.95

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.