Home / 3,970.26-5,473.91-2,837.30

Finding the Fourth Proportional to 3,970.26, 5,473.91 and 2,837.30

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Solution

The fourth proportional to 3,970.26, 5,473.91 and 2,837.30 is: 3,911.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,970.26 : 5,473.91 = 2,837.30 : x
  2. Step 2: Convert to fraction form
    3,970.26/5,473.91 = 2,837.30/x
  3. Step 3: Cross multiply
    3,970.26x = 5,473.91 × 2,837.30
  4. Step 4: Simplify right side
    3,970.26x = 15,531,104.57
  5. Step 5: Solve for x
    x = 15,531,104.57/3,970.26
  6. Step 6: Final answer
    x = 3,911.86

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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.