Home / 1,513-2,271.12-745.12

Finding the Fourth Proportional to 1,513, 2,271.12 and 745.12

Calculator

Solution

The fourth proportional to 1,513, 2,271.12 and 745.12 is: 1,118.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513 : 2,271.12 = 745.12 : x
  2. Step 2: Convert to fraction form
    1,513/2,271.12 = 745.12/x
  3. Step 3: Cross multiply
    1,513x = 2,271.12 × 745.12
  4. Step 4: Simplify right side
    1,513x = 1,692,256.93
  5. Step 5: Solve for x
    x = 1,692,256.93/1,513
  6. Step 6: Final answer
    x = 1,118.48

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.