Home / 3,965.14-5,936.76-2,988.28

Finding the Fourth Proportional to 3,965.14, 5,936.76 and 2,988.28

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Solution

The fourth proportional to 3,965.14, 5,936.76 and 2,988.28 is: 4,474.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,965.14 : 5,936.76 = 2,988.28 : x
  2. Step 2: Convert to fraction form
    3,965.14/5,936.76 = 2,988.28/x
  3. Step 3: Cross multiply
    3,965.14x = 5,936.76 × 2,988.28
  4. Step 4: Simplify right side
    3,965.14x = 17,740,701.17
  5. Step 5: Solve for x
    x = 17,740,701.17/3,965.14
  6. Step 6: Final answer
    x = 4,474.17

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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.