Home / 2,460.56-3,689.45-1,145.63

Finding the Fourth Proportional to 2,460.56, 3,689.45 and 1,145.63

Calculator

Solution

The fourth proportional to 2,460.56, 3,689.45 and 1,145.63 is: 1,717.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,460.56 : 3,689.45 = 1,145.63 : x
  2. Step 2: Convert to fraction form
    2,460.56/3,689.45 = 1,145.63/x
  3. Step 3: Cross multiply
    2,460.56x = 3,689.45 × 1,145.63
  4. Step 4: Simplify right side
    2,460.56x = 4,226,720.43
  5. Step 5: Solve for x
    x = 4,226,720.43/2,460.56
  6. Step 6: Final answer
    x = 1,717.79

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.