Home / 2,124.56-2,931.79-1,180.41

Finding the Fourth Proportional to 2,124.56, 2,931.79 and 1,180.41

Calculator

Solution

The fourth proportional to 2,124.56, 2,931.79 and 1,180.41 is: 1,628.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124.56 : 2,931.79 = 1,180.41 : x
  2. Step 2: Convert to fraction form
    2,124.56/2,931.79 = 1,180.41/x
  3. Step 3: Cross multiply
    2,124.56x = 2,931.79 × 1,180.41
  4. Step 4: Simplify right side
    2,124.56x = 3,460,714.23
  5. Step 5: Solve for x
    x = 3,460,714.23/2,124.56
  6. Step 6: Final answer
    x = 1,628.91

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.