Home / 3,075.42-4,242.87-1,956.06

Finding the Fourth Proportional to 3,075.42, 4,242.87 and 1,956.06

Calculator

Solution

The fourth proportional to 3,075.42, 4,242.87 and 1,956.06 is: 2,698.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.42 : 4,242.87 = 1,956.06 : x
  2. Step 2: Convert to fraction form
    3,075.42/4,242.87 = 1,956.06/x
  3. Step 3: Cross multiply
    3,075.42x = 4,242.87 × 1,956.06
  4. Step 4: Simplify right side
    3,075.42x = 8,299,308.29
  5. Step 5: Solve for x
    x = 8,299,308.29/3,075.42
  6. Step 6: Final answer
    x = 2,698.59

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.