Home / 3,127.26-4,314.78-2,182.02

Finding the Fourth Proportional to 3,127.26, 4,314.78 and 2,182.02

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Solution

The fourth proportional to 3,127.26, 4,314.78 and 2,182.02 is: 3,010.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127.26 : 4,314.78 = 2,182.02 : x
  2. Step 2: Convert to fraction form
    3,127.26/4,314.78 = 2,182.02/x
  3. Step 3: Cross multiply
    3,127.26x = 4,314.78 × 2,182.02
  4. Step 4: Simplify right side
    3,127.26x = 9,414,936.26
  5. Step 5: Solve for x
    x = 9,414,936.26/3,127.26
  6. Step 6: Final answer
    x = 3,010.60

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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.