Home / 1,868.72-2,801.76-895.12

Finding the Fourth Proportional to 1,868.72, 2,801.76 and 895.12

Calculator

Solution

The fourth proportional to 1,868.72, 2,801.76 and 895.12 is: 1,342.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868.72 : 2,801.76 = 895.12 : x
  2. Step 2: Convert to fraction form
    1,868.72/2,801.76 = 895.12/x
  3. Step 3: Cross multiply
    1,868.72x = 2,801.76 × 895.12
  4. Step 4: Simplify right side
    1,868.72x = 2,507,911.41
  5. Step 5: Solve for x
    x = 2,507,911.41/1,868.72
  6. Step 6: Final answer
    x = 1,342.05

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.