Home / 1,720.74-2,578.29-1,546.38

Finding the Fourth Proportional to 1,720.74, 2,578.29 and 1,546.38

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Solution

The fourth proportional to 1,720.74, 2,578.29 and 1,546.38 is: 2,317.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720.74 : 2,578.29 = 1,546.38 : x
  2. Step 2: Convert to fraction form
    1,720.74/2,578.29 = 1,546.38/x
  3. Step 3: Cross multiply
    1,720.74x = 2,578.29 × 1,546.38
  4. Step 4: Simplify right side
    1,720.74x = 3,987,016.09
  5. Step 5: Solve for x
    x = 3,987,016.09/1,720.74
  6. Step 6: Final answer
    x = 2,317.04

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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.