Home / 2,875.69-4,309.93-1,230.31

Finding the Fourth Proportional to 2,875.69, 4,309.93 and 1,230.31

Calculator

Solution

The fourth proportional to 2,875.69, 4,309.93 and 1,230.31 is: 1,843.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,875.69 : 4,309.93 = 1,230.31 : x
  2. Step 2: Convert to fraction form
    2,875.69/4,309.93 = 1,230.31/x
  3. Step 3: Cross multiply
    2,875.69x = 4,309.93 × 1,230.31
  4. Step 4: Simplify right side
    2,875.69x = 5,302,522.28
  5. Step 5: Solve for x
    x = 5,302,522.28/2,875.69
  6. Step 6: Final answer
    x = 1,843.92

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.