Home / 1,591.22-2,195.52-1,031.63

Finding the Fourth Proportional to 1,591.22, 2,195.52 and 1,031.63

Calculator

Solution

The fourth proportional to 1,591.22, 2,195.52 and 1,031.63 is: 1,423.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591.22 : 2,195.52 = 1,031.63 : x
  2. Step 2: Convert to fraction form
    1,591.22/2,195.52 = 1,031.63/x
  3. Step 3: Cross multiply
    1,591.22x = 2,195.52 × 1,031.63
  4. Step 4: Simplify right side
    1,591.22x = 2,264,949.45
  5. Step 5: Solve for x
    x = 2,264,949.45/1,591.22
  6. Step 6: Final answer
    x = 1,423.40

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.