Home / 2,885.72-3,982.71-1,707.17

Finding the Fourth Proportional to 2,885.72, 3,982.71 and 1,707.17

Calculator

Solution

The fourth proportional to 2,885.72, 3,982.71 and 1,707.17 is: 2,356.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885.72 : 3,982.71 = 1,707.17 : x
  2. Step 2: Convert to fraction form
    2,885.72/3,982.71 = 1,707.17/x
  3. Step 3: Cross multiply
    2,885.72x = 3,982.71 × 1,707.17
  4. Step 4: Simplify right side
    2,885.72x = 6,799,143.12
  5. Step 5: Solve for x
    x = 6,799,143.12/2,885.72
  6. Step 6: Final answer
    x = 2,356.14

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.