Home / 1,444.98-1,981.07-1,418.72

Finding the Fourth Proportional to 1,444.98, 1,981.07 and 1,418.72

Calculator

Solution

The fourth proportional to 1,444.98, 1,981.07 and 1,418.72 is: 1,945.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,444.98 : 1,981.07 = 1,418.72 : x
  2. Step 2: Convert to fraction form
    1,444.98/1,981.07 = 1,418.72/x
  3. Step 3: Cross multiply
    1,444.98x = 1,981.07 × 1,418.72
  4. Step 4: Simplify right side
    1,444.98x = 2,810,583.63
  5. Step 5: Solve for x
    x = 2,810,583.63/1,444.98
  6. Step 6: Final answer
    x = 1,945.07

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.