Home / 1,339.86-1,848.86-742.37

Finding the Fourth Proportional to 1,339.86, 1,848.86 and 742.37

Calculator

Solution

The fourth proportional to 1,339.86, 1,848.86 and 742.37 is: 1,024.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339.86 : 1,848.86 = 742.37 : x
  2. Step 2: Convert to fraction form
    1,339.86/1,848.86 = 742.37/x
  3. Step 3: Cross multiply
    1,339.86x = 1,848.86 × 742.37
  4. Step 4: Simplify right side
    1,339.86x = 1,372,525.24
  5. Step 5: Solve for x
    x = 1,372,525.24/1,339.86
  6. Step 6: Final answer
    x = 1,024.38

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.