Home / 3,935.14-5,913.84-2,972.86

Finding the Fourth Proportional to 3,935.14, 5,913.84 and 2,972.86

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Solution

The fourth proportional to 3,935.14, 5,913.84 and 2,972.86 is: 4,467.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,935.14 : 5,913.84 = 2,972.86 : x
  2. Step 2: Convert to fraction form
    3,935.14/5,913.84 = 2,972.86/x
  3. Step 3: Cross multiply
    3,935.14x = 5,913.84 × 2,972.86
  4. Step 4: Simplify right side
    3,935.14x = 17,581,018.38
  5. Step 5: Solve for x
    x = 17,581,018.38/3,935.14
  6. Step 6: Final answer
    x = 4,467.70

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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.