Home / 3,123.60-4,311-1,796.82

Finding the Fourth Proportional to 3,123.60, 4,311 and 1,796.82

Calculator

Solution

The fourth proportional to 3,123.60, 4,311 and 1,796.82 is: 2,479.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,123.60 : 4,311 = 1,796.82 : x
  2. Step 2: Convert to fraction form
    3,123.60/4,311 = 1,796.82/x
  3. Step 3: Cross multiply
    3,123.60x = 4,311 × 1,796.82
  4. Step 4: Simplify right side
    3,123.60x = 7,746,091.02
  5. Step 5: Solve for x
    x = 7,746,091.02/3,123.60
  6. Step 6: Final answer
    x = 2,479.86

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.