Home / 1,435.38-1,981.04-876.18

Finding the Fourth Proportional to 1,435.38, 1,981.04 and 876.18

Calculator

Solution

The fourth proportional to 1,435.38, 1,981.04 and 876.18 is: 1,209.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435.38 : 1,981.04 = 876.18 : x
  2. Step 2: Convert to fraction form
    1,435.38/1,981.04 = 876.18/x
  3. Step 3: Cross multiply
    1,435.38x = 1,981.04 × 876.18
  4. Step 4: Simplify right side
    1,435.38x = 1,735,738.82
  5. Step 5: Solve for x
    x = 1,735,738.82/1,435.38
  6. Step 6: Final answer
    x = 1,209.25

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.