Home / 2,107.20-3,159.84-953.28

Finding the Fourth Proportional to 2,107.20, 3,159.84 and 953.28

Calculator

Solution

The fourth proportional to 2,107.20, 3,159.84 and 953.28 is: 1,429.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107.20 : 3,159.84 = 953.28 : x
  2. Step 2: Convert to fraction form
    2,107.20/3,159.84 = 953.28/x
  3. Step 3: Cross multiply
    2,107.20x = 3,159.84 × 953.28
  4. Step 4: Simplify right side
    2,107.20x = 3,012,212.28
  5. Step 5: Solve for x
    x = 3,012,212.28/2,107.20
  6. Step 6: Final answer
    x = 1,429.49

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.