Home / 2,359.10-3,538.83-715.78

Finding the Fourth Proportional to 2,359.10, 3,538.83 and 715.78

Calculator

Solution

The fourth proportional to 2,359.10, 3,538.83 and 715.78 is: 1,073.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,359.10 : 3,538.83 = 715.78 : x
  2. Step 2: Convert to fraction form
    2,359.10/3,538.83 = 715.78/x
  3. Step 3: Cross multiply
    2,359.10x = 3,538.83 × 715.78
  4. Step 4: Simplify right side
    2,359.10x = 2,533,023.74
  5. Step 5: Solve for x
    x = 2,533,023.74/2,359.10
  6. Step 6: Final answer
    x = 1,073.72

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.