Home / 2,787.39-3,846.45-1,528.23

Finding the Fourth Proportional to 2,787.39, 3,846.45 and 1,528.23

Calculator

Solution

The fourth proportional to 2,787.39, 3,846.45 and 1,528.23 is: 2,108.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,787.39 : 3,846.45 = 1,528.23 : x
  2. Step 2: Convert to fraction form
    2,787.39/3,846.45 = 1,528.23/x
  3. Step 3: Cross multiply
    2,787.39x = 3,846.45 × 1,528.23
  4. Step 4: Simplify right side
    2,787.39x = 5,878,260.28
  5. Step 5: Solve for x
    x = 5,878,260.28/2,787.39
  6. Step 6: Final answer
    x = 2,108.88

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.