Home / 3,914.53-5,402-2,146.14

Finding the Fourth Proportional to 3,914.53, 5,402 and 2,146.14

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Solution

The fourth proportional to 3,914.53, 5,402 and 2,146.14 is: 2,961.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,914.53 : 5,402 = 2,146.14 : x
  2. Step 2: Convert to fraction form
    3,914.53/5,402 = 2,146.14/x
  3. Step 3: Cross multiply
    3,914.53x = 5,402 × 2,146.14
  4. Step 4: Simplify right side
    3,914.53x = 11,593,448.28
  5. Step 5: Solve for x
    x = 11,593,448.28/3,914.53
  6. Step 6: Final answer
    x = 2,961.65

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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.