Home / 2,971.26-4,432.77-2,676

Finding the Fourth Proportional to 2,971.26, 4,432.77 and 2,676

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Solution

The fourth proportional to 2,971.26, 4,432.77 and 2,676 is: 3,992.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,971.26 : 4,432.77 = 2,676 : x
  2. Step 2: Convert to fraction form
    2,971.26/4,432.77 = 2,676/x
  3. Step 3: Cross multiply
    2,971.26x = 4,432.77 × 2,676
  4. Step 4: Simplify right side
    2,971.26x = 11,862,092.52
  5. Step 5: Solve for x
    x = 11,862,092.52/2,971.26
  6. Step 6: Final answer
    x = 3,992.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.