Home / 1,254.17-1,730.51-812.01

Finding the Fourth Proportional to 1,254.17, 1,730.51 and 812.01

Calculator

Solution

The fourth proportional to 1,254.17, 1,730.51 and 812.01 is: 1,120.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254.17 : 1,730.51 = 812.01 : x
  2. Step 2: Convert to fraction form
    1,254.17/1,730.51 = 812.01/x
  3. Step 3: Cross multiply
    1,254.17x = 1,730.51 × 812.01
  4. Step 4: Simplify right side
    1,254.17x = 1,405,187.37
  5. Step 5: Solve for x
    x = 1,405,187.37/1,254.17
  6. Step 6: Final answer
    x = 1,120.42

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.