Home / 2,211.88-3,319.87-1,117.01

Finding the Fourth Proportional to 2,211.88, 3,319.87 and 1,117.01

Calculator

Solution

The fourth proportional to 2,211.88, 3,319.87 and 1,117.01 is: 1,676.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211.88 : 3,319.87 = 1,117.01 : x
  2. Step 2: Convert to fraction form
    2,211.88/3,319.87 = 1,117.01/x
  3. Step 3: Cross multiply
    2,211.88x = 3,319.87 × 1,117.01
  4. Step 4: Simplify right side
    2,211.88x = 3,708,333.50
  5. Step 5: Solve for x
    x = 3,708,333.50/2,211.88
  6. Step 6: Final answer
    x = 1,676.55

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.