Home / 3,513.78-5,270.67-2,052.14

Finding the Fourth Proportional to 3,513.78, 5,270.67 and 2,052.14

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Solution

The fourth proportional to 3,513.78, 5,270.67 and 2,052.14 is: 3,078.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.78 : 5,270.67 = 2,052.14 : x
  2. Step 2: Convert to fraction form
    3,513.78/5,270.67 = 2,052.14/x
  3. Step 3: Cross multiply
    3,513.78x = 5,270.67 × 2,052.14
  4. Step 4: Simplify right side
    3,513.78x = 10,816,126.38
  5. Step 5: Solve for x
    x = 10,816,126.38/3,513.78
  6. Step 6: Final answer
    x = 3,078.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.