Home / 751.54-1,127.37-203.72

Finding the Fourth Proportional to 751.54, 1,127.37 and 203.72

Calculator

Solution

The fourth proportional to 751.54, 1,127.37 and 203.72 is: 305.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    751.54 : 1,127.37 = 203.72 : x
  2. Step 2: Convert to fraction form
    751.54/1,127.37 = 203.72/x
  3. Step 3: Cross multiply
    751.54x = 1,127.37 × 203.72
  4. Step 4: Simplify right side
    751.54x = 229,667.82
  5. Step 5: Solve for x
    x = 229,667.82/751.54
  6. Step 6: Final answer
    x = 305.60

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.