Home / 2,617.26-3,610.62-1,672.80

Finding the Fourth Proportional to 2,617.26, 3,610.62 and 1,672.80

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Solution

The fourth proportional to 2,617.26, 3,610.62 and 1,672.80 is: 2,307.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617.26 : 3,610.62 = 1,672.80 : x
  2. Step 2: Convert to fraction form
    2,617.26/3,610.62 = 1,672.80/x
  3. Step 3: Cross multiply
    2,617.26x = 3,610.62 × 1,672.80
  4. Step 4: Simplify right side
    2,617.26x = 6,039,845.14
  5. Step 5: Solve for x
    x = 6,039,845.14/2,617.26
  6. Step 6: Final answer
    x = 2,307.70

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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.