Home / 1,687.63-2,528.01-1,250.20

Finding the Fourth Proportional to 1,687.63, 2,528.01 and 1,250.20

Calculator

Solution

The fourth proportional to 1,687.63, 2,528.01 and 1,250.20 is: 1,872.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687.63 : 2,528.01 = 1,250.20 : x
  2. Step 2: Convert to fraction form
    1,687.63/2,528.01 = 1,250.20/x
  3. Step 3: Cross multiply
    1,687.63x = 2,528.01 × 1,250.20
  4. Step 4: Simplify right side
    1,687.63x = 3,160,518.10
  5. Step 5: Solve for x
    x = 3,160,518.10/1,687.63
  6. Step 6: Final answer
    x = 1,872.76

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.