Home / 3,291.44-4,541.64-2,112.28

Finding the Fourth Proportional to 3,291.44, 4,541.64 and 2,112.28

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Solution

The fourth proportional to 3,291.44, 4,541.64 and 2,112.28 is: 2,914.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291.44 : 4,541.64 = 2,112.28 : x
  2. Step 2: Convert to fraction form
    3,291.44/4,541.64 = 2,112.28/x
  3. Step 3: Cross multiply
    3,291.44x = 4,541.64 × 2,112.28
  4. Step 4: Simplify right side
    3,291.44x = 9,593,215.34
  5. Step 5: Solve for x
    x = 9,593,215.34/3,291.44
  6. Step 6: Final answer
    x = 2,914.60

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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.