Home / 2,909.39-4,364.65-1,243.49

Finding the Fourth Proportional to 2,909.39, 4,364.65 and 1,243.49

Calculator

Solution

The fourth proportional to 2,909.39, 4,364.65 and 1,243.49 is: 1,865.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909.39 : 4,364.65 = 1,243.49 : x
  2. Step 2: Convert to fraction form
    2,909.39/4,364.65 = 1,243.49/x
  3. Step 3: Cross multiply
    2,909.39x = 4,364.65 × 1,243.49
  4. Step 4: Simplify right side
    2,909.39x = 5,427,398.63
  5. Step 5: Solve for x
    x = 5,427,398.63/2,909.39
  6. Step 6: Final answer
    x = 1,865.48

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.