Home / 2,245.53-3,363.29-1,721.68

Finding the Fourth Proportional to 2,245.53, 3,363.29 and 1,721.68

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Solution

The fourth proportional to 2,245.53, 3,363.29 and 1,721.68 is: 2,578.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,245.53 : 3,363.29 = 1,721.68 : x
  2. Step 2: Convert to fraction form
    2,245.53/3,363.29 = 1,721.68/x
  3. Step 3: Cross multiply
    2,245.53x = 3,363.29 × 1,721.68
  4. Step 4: Simplify right side
    2,245.53x = 5,790,498.57
  5. Step 5: Solve for x
    x = 5,790,498.57/2,245.53
  6. Step 6: Final answer
    x = 2,578.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.