Home / 1,404.66-2,106.27-756.18

Finding the Fourth Proportional to 1,404.66, 2,106.27 and 756.18

Calculator

Solution

The fourth proportional to 1,404.66, 2,106.27 and 756.18 is: 1,133.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404.66 : 2,106.27 = 756.18 : x
  2. Step 2: Convert to fraction form
    1,404.66/2,106.27 = 756.18/x
  3. Step 3: Cross multiply
    1,404.66x = 2,106.27 × 756.18
  4. Step 4: Simplify right side
    1,404.66x = 1,592,719.25
  5. Step 5: Solve for x
    x = 1,592,719.25/1,404.66
  6. Step 6: Final answer
    x = 1,133.88

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.