Home / 1,218.51-1,826.01-943.31

Finding the Fourth Proportional to 1,218.51, 1,826.01 and 943.31

Calculator

Solution

The fourth proportional to 1,218.51, 1,826.01 and 943.31 is: 1,413.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218.51 : 1,826.01 = 943.31 : x
  2. Step 2: Convert to fraction form
    1,218.51/1,826.01 = 943.31/x
  3. Step 3: Cross multiply
    1,218.51x = 1,826.01 × 943.31
  4. Step 4: Simplify right side
    1,218.51x = 1,722,498.06
  5. Step 5: Solve for x
    x = 1,722,498.06/1,218.51
  6. Step 6: Final answer
    x = 1,413.61

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.