Home / 3,819.76-5,271.56-2,141.52

Finding the Fourth Proportional to 3,819.76, 5,271.56 and 2,141.52

Calculator

Solution

The fourth proportional to 3,819.76, 5,271.56 and 2,141.52 is: 2,955.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819.76 : 5,271.56 = 2,141.52 : x
  2. Step 2: Convert to fraction form
    3,819.76/5,271.56 = 2,141.52/x
  3. Step 3: Cross multiply
    3,819.76x = 5,271.56 × 2,141.52
  4. Step 4: Simplify right side
    3,819.76x = 11,289,151.17
  5. Step 5: Solve for x
    x = 11,289,151.17/3,819.76
  6. Step 6: Final answer
    x = 2,955.46

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.