Home / 2,687.61-4,032.86-1,148.25

Finding the Fourth Proportional to 2,687.61, 4,032.86 and 1,148.25

Calculator

Solution

The fourth proportional to 2,687.61, 4,032.86 and 1,148.25 is: 1,722.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,687.61 : 4,032.86 = 1,148.25 : x
  2. Step 2: Convert to fraction form
    2,687.61/4,032.86 = 1,148.25/x
  3. Step 3: Cross multiply
    2,687.61x = 4,032.86 × 1,148.25
  4. Step 4: Simplify right side
    2,687.61x = 4,630,731.50
  5. Step 5: Solve for x
    x = 4,630,731.50/2,687.61
  6. Step 6: Final answer
    x = 1,722.99

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.