Home / 2,889.34-3,987.53-1,630.33

Finding the Fourth Proportional to 2,889.34, 3,987.53 and 1,630.33

Calculator

Solution

The fourth proportional to 2,889.34, 3,987.53 and 1,630.33 is: 2,249.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889.34 : 3,987.53 = 1,630.33 : x
  2. Step 2: Convert to fraction form
    2,889.34/3,987.53 = 1,630.33/x
  3. Step 3: Cross multiply
    2,889.34x = 3,987.53 × 1,630.33
  4. Step 4: Simplify right side
    2,889.34x = 6,500,989.78
  5. Step 5: Solve for x
    x = 6,500,989.78/2,889.34
  6. Step 6: Final answer
    x = 2,249.99

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.