Home / 2,123.24-3,182.54-1,393.32

Finding the Fourth Proportional to 2,123.24, 3,182.54 and 1,393.32

Calculator

Solution

The fourth proportional to 2,123.24, 3,182.54 and 1,393.32 is: 2,088.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,123.24 : 3,182.54 = 1,393.32 : x
  2. Step 2: Convert to fraction form
    2,123.24/3,182.54 = 1,393.32/x
  3. Step 3: Cross multiply
    2,123.24x = 3,182.54 × 1,393.32
  4. Step 4: Simplify right side
    2,123.24x = 4,434,296.63
  5. Step 5: Solve for x
    x = 4,434,296.63/2,123.24
  6. Step 6: Final answer
    x = 2,088.46

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.