Home / 1,259.76-1,737.95-762.29

Finding the Fourth Proportional to 1,259.76, 1,737.95 and 762.29

Calculator

Solution

The fourth proportional to 1,259.76, 1,737.95 and 762.29 is: 1,051.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259.76 : 1,737.95 = 762.29 : x
  2. Step 2: Convert to fraction form
    1,259.76/1,737.95 = 762.29/x
  3. Step 3: Cross multiply
    1,259.76x = 1,737.95 × 762.29
  4. Step 4: Simplify right side
    1,259.76x = 1,324,809.40
  5. Step 5: Solve for x
    x = 1,324,809.40/1,259.76
  6. Step 6: Final answer
    x = 1,051.64

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.