Home / 3,631.44-5,010.61-2,138.81

Finding the Fourth Proportional to 3,631.44, 5,010.61 and 2,138.81

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Solution

The fourth proportional to 3,631.44, 5,010.61 and 2,138.81 is: 2,951.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631.44 : 5,010.61 = 2,138.81 : x
  2. Step 2: Convert to fraction form
    3,631.44/5,010.61 = 2,138.81/x
  3. Step 3: Cross multiply
    3,631.44x = 5,010.61 × 2,138.81
  4. Step 4: Simplify right side
    3,631.44x = 10,716,742.77
  5. Step 5: Solve for x
    x = 10,716,742.77/3,631.44
  6. Step 6: Final answer
    x = 2,951.10

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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.