Home / 2,979.81-4,112.19-1,653.48

Finding the Fourth Proportional to 2,979.81, 4,112.19 and 1,653.48

Calculator

Solution

The fourth proportional to 2,979.81, 4,112.19 and 1,653.48 is: 2,281.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979.81 : 4,112.19 = 1,653.48 : x
  2. Step 2: Convert to fraction form
    2,979.81/4,112.19 = 1,653.48/x
  3. Step 3: Cross multiply
    2,979.81x = 4,112.19 × 1,653.48
  4. Step 4: Simplify right side
    2,979.81x = 6,799,423.92
  5. Step 5: Solve for x
    x = 6,799,423.92/2,979.81
  6. Step 6: Final answer
    x = 2,281.83

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.