Home / 2,123.10-2,929.64-1,327.06

Finding the Fourth Proportional to 2,123.10, 2,929.64 and 1,327.06

Calculator

Solution

The fourth proportional to 2,123.10, 2,929.64 and 1,327.06 is: 1,831.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,123.10 : 2,929.64 = 1,327.06 : x
  2. Step 2: Convert to fraction form
    2,123.10/2,929.64 = 1,327.06/x
  3. Step 3: Cross multiply
    2,123.10x = 2,929.64 × 1,327.06
  4. Step 4: Simplify right side
    2,123.10x = 3,887,822.38
  5. Step 5: Solve for x
    x = 3,887,822.38/2,123.10
  6. Step 6: Final answer
    x = 1,831.20

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.