Home / 3,071.26-4,608.54-1,339.78

Finding the Fourth Proportional to 3,071.26, 4,608.54 and 1,339.78

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Solution

The fourth proportional to 3,071.26, 4,608.54 and 1,339.78 is: 2,010.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071.26 : 4,608.54 = 1,339.78 : x
  2. Step 2: Convert to fraction form
    3,071.26/4,608.54 = 1,339.78/x
  3. Step 3: Cross multiply
    3,071.26x = 4,608.54 × 1,339.78
  4. Step 4: Simplify right side
    3,071.26x = 6,174,429.72
  5. Step 5: Solve for x
    x = 6,174,429.72/3,071.26
  6. Step 6: Final answer
    x = 2,010.39

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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.