Home / 1,909.96-2,864.37-1,088.62

Finding the Fourth Proportional to 1,909.96, 2,864.37 and 1,088.62

Calculator

Solution

The fourth proportional to 1,909.96, 2,864.37 and 1,088.62 is: 1,632.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909.96 : 2,864.37 = 1,088.62 : x
  2. Step 2: Convert to fraction form
    1,909.96/2,864.37 = 1,088.62/x
  3. Step 3: Cross multiply
    1,909.96x = 2,864.37 × 1,088.62
  4. Step 4: Simplify right side
    1,909.96x = 3,118,210.47
  5. Step 5: Solve for x
    x = 3,118,210.47/1,909.96
  6. Step 6: Final answer
    x = 1,632.61

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.