Home / 2,351.11-3,245.75-1,720.93

Finding the Fourth Proportional to 2,351.11, 3,245.75 and 1,720.93

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Solution

The fourth proportional to 2,351.11, 3,245.75 and 1,720.93 is: 2,375.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,351.11 : 3,245.75 = 1,720.93 : x
  2. Step 2: Convert to fraction form
    2,351.11/3,245.75 = 1,720.93/x
  3. Step 3: Cross multiply
    2,351.11x = 3,245.75 × 1,720.93
  4. Step 4: Simplify right side
    2,351.11x = 5,585,708.55
  5. Step 5: Solve for x
    x = 5,585,708.55/2,351.11
  6. Step 6: Final answer
    x = 2,375.78

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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.