Home / 1,988.82-2,744.55-1,104.71

Finding the Fourth Proportional to 1,988.82, 2,744.55 and 1,104.71

Calculator

Solution

The fourth proportional to 1,988.82, 2,744.55 and 1,104.71 is: 1,524.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,988.82 : 2,744.55 = 1,104.71 : x
  2. Step 2: Convert to fraction form
    1,988.82/2,744.55 = 1,104.71/x
  3. Step 3: Cross multiply
    1,988.82x = 2,744.55 × 1,104.71
  4. Step 4: Simplify right side
    1,988.82x = 3,031,918.11
  5. Step 5: Solve for x
    x = 3,031,918.11/1,988.82
  6. Step 6: Final answer
    x = 1,524.48

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.