Home / 2,487.20-3,432.21-1,368.19

Finding the Fourth Proportional to 2,487.20, 3,432.21 and 1,368.19

Calculator

Solution

The fourth proportional to 2,487.20, 3,432.21 and 1,368.19 is: 1,888.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,487.20 : 3,432.21 = 1,368.19 : x
  2. Step 2: Convert to fraction form
    2,487.20/3,432.21 = 1,368.19/x
  3. Step 3: Cross multiply
    2,487.20x = 3,432.21 × 1,368.19
  4. Step 4: Simplify right side
    2,487.20x = 4,695,891.40
  5. Step 5: Solve for x
    x = 4,695,891.40/2,487.20
  6. Step 6: Final answer
    x = 1,888.02

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.