Home / 1,984.82-2,738.50-1,563.87

Finding the Fourth Proportional to 1,984.82, 2,738.50 and 1,563.87

Calculator

Solution

The fourth proportional to 1,984.82, 2,738.50 and 1,563.87 is: 2,157.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,984.82 : 2,738.50 = 1,563.87 : x
  2. Step 2: Convert to fraction form
    1,984.82/2,738.50 = 1,563.87/x
  3. Step 3: Cross multiply
    1,984.82x = 2,738.50 × 1,563.87
  4. Step 4: Simplify right side
    1,984.82x = 4,282,636.48
  5. Step 5: Solve for x
    x = 4,282,636.48/1,984.82
  6. Step 6: Final answer
    x = 2,157.70

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.