Home / 758.57-1,137.16-271.50

Finding the Fourth Proportional to 758.57, 1,137.16 and 271.50

Calculator

Solution

The fourth proportional to 758.57, 1,137.16 and 271.50 is: 407.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    758.57 : 1,137.16 = 271.50 : x
  2. Step 2: Convert to fraction form
    758.57/1,137.16 = 271.50/x
  3. Step 3: Cross multiply
    758.57x = 1,137.16 × 271.50
  4. Step 4: Simplify right side
    758.57x = 308,739.88
  5. Step 5: Solve for x
    x = 308,739.88/758.57
  6. Step 6: Final answer
    x = 407.01

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.