Home / 2,787.95-4,182.59-1,397.83

Finding the Fourth Proportional to 2,787.95, 4,182.59 and 1,397.83

Calculator

Solution

The fourth proportional to 2,787.95, 4,182.59 and 1,397.83 is: 2,097.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,787.95 : 4,182.59 = 1,397.83 : x
  2. Step 2: Convert to fraction form
    2,787.95/4,182.59 = 1,397.83/x
  3. Step 3: Cross multiply
    2,787.95x = 4,182.59 × 1,397.83
  4. Step 4: Simplify right side
    2,787.95x = 5,846,542.82
  5. Step 5: Solve for x
    x = 5,846,542.82/2,787.95
  6. Step 6: Final answer
    x = 2,097.08

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.