Home / 1,903.45-2,626.71-1,117.48

Finding the Fourth Proportional to 1,903.45, 2,626.71 and 1,117.48

Calculator

Solution

The fourth proportional to 1,903.45, 2,626.71 and 1,117.48 is: 1,542.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,903.45 : 2,626.71 = 1,117.48 : x
  2. Step 2: Convert to fraction form
    1,903.45/2,626.71 = 1,117.48/x
  3. Step 3: Cross multiply
    1,903.45x = 2,626.71 × 1,117.48
  4. Step 4: Simplify right side
    1,903.45x = 2,935,295.89
  5. Step 5: Solve for x
    x = 2,935,295.89/1,903.45
  6. Step 6: Final answer
    x = 1,542.09

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.