Home / 1,565.75-2,160.70-902.56

Finding the Fourth Proportional to 1,565.75, 2,160.70 and 902.56

Calculator

Solution

The fourth proportional to 1,565.75, 2,160.70 and 902.56 is: 1,245.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565.75 : 2,160.70 = 902.56 : x
  2. Step 2: Convert to fraction form
    1,565.75/2,160.70 = 902.56/x
  3. Step 3: Cross multiply
    1,565.75x = 2,160.70 × 902.56
  4. Step 4: Simplify right side
    1,565.75x = 1,950,161.39
  5. Step 5: Solve for x
    x = 1,950,161.39/1,565.75
  6. Step 6: Final answer
    x = 1,245.51

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.