Home / 3,732.64-5,150.73-2,160.43

Finding the Fourth Proportional to 3,732.64, 5,150.73 and 2,160.43

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Solution

The fourth proportional to 3,732.64, 5,150.73 and 2,160.43 is: 2,981.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,732.64 : 5,150.73 = 2,160.43 : x
  2. Step 2: Convert to fraction form
    3,732.64/5,150.73 = 2,160.43/x
  3. Step 3: Cross multiply
    3,732.64x = 5,150.73 × 2,160.43
  4. Step 4: Simplify right side
    3,732.64x = 11,127,791.61
  5. Step 5: Solve for x
    x = 11,127,791.61/3,732.64
  6. Step 6: Final answer
    x = 2,981.21

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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.