Home / 1,862.10-2,568.47-1,197.90

Finding the Fourth Proportional to 1,862.10, 2,568.47 and 1,197.90

Calculator

Solution

The fourth proportional to 1,862.10, 2,568.47 and 1,197.90 is: 1,652.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,862.10 : 2,568.47 = 1,197.90 : x
  2. Step 2: Convert to fraction form
    1,862.10/2,568.47 = 1,197.90/x
  3. Step 3: Cross multiply
    1,862.10x = 2,568.47 × 1,197.90
  4. Step 4: Simplify right side
    1,862.10x = 3,076,770.21
  5. Step 5: Solve for x
    x = 3,076,770.21/1,862.10
  6. Step 6: Final answer
    x = 1,652.31

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.