Home / 1,410.04-1,945.18-912.50

Finding the Fourth Proportional to 1,410.04, 1,945.18 and 912.50

Calculator

Solution

The fourth proportional to 1,410.04, 1,945.18 and 912.50 is: 1,258.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410.04 : 1,945.18 = 912.50 : x
  2. Step 2: Convert to fraction form
    1,410.04/1,945.18 = 912.50/x
  3. Step 3: Cross multiply
    1,410.04x = 1,945.18 × 912.50
  4. Step 4: Simplify right side
    1,410.04x = 1,774,976.75
  5. Step 5: Solve for x
    x = 1,774,976.75/1,410.04
  6. Step 6: Final answer
    x = 1,258.81

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.