Home / 881.06-1,215.18-548.87

Finding the Fourth Proportional to 881.06, 1,215.18 and 548.87

Calculator

Solution

The fourth proportional to 881.06, 1,215.18 and 548.87 is: 757.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    881.06 : 1,215.18 = 548.87 : x
  2. Step 2: Convert to fraction form
    881.06/1,215.18 = 548.87/x
  3. Step 3: Cross multiply
    881.06x = 1,215.18 × 548.87
  4. Step 4: Simplify right side
    881.06x = 666,969.77
  5. Step 5: Solve for x
    x = 666,969.77/881.06
  6. Step 6: Final answer
    x = 757.01

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.