Home / 2,885.94-3,978.45-2,056.50

Finding the Fourth Proportional to 2,885.94, 3,978.45 and 2,056.50

Calculator

Solution

The fourth proportional to 2,885.94, 3,978.45 and 2,056.50 is: 2,835.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885.94 : 3,978.45 = 2,056.50 : x
  2. Step 2: Convert to fraction form
    2,885.94/3,978.45 = 2,056.50/x
  3. Step 3: Cross multiply
    2,885.94x = 3,978.45 × 2,056.50
  4. Step 4: Simplify right side
    2,885.94x = 8,181,682.43
  5. Step 5: Solve for x
    x = 8,181,682.43/2,885.94
  6. Step 6: Final answer
    x = 2,835.01

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.