Home / 4,164.16-6,241.86-1,971.28

Finding the Fourth Proportional to 4,164.16, 6,241.86 and 1,971.28

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Solution

The fourth proportional to 4,164.16, 6,241.86 and 1,971.28 is: 2,954.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,164.16 : 6,241.86 = 1,971.28 : x
  2. Step 2: Convert to fraction form
    4,164.16/6,241.86 = 1,971.28/x
  3. Step 3: Cross multiply
    4,164.16x = 6,241.86 × 1,971.28
  4. Step 4: Simplify right side
    4,164.16x = 12,304,453.78
  5. Step 5: Solve for x
    x = 12,304,453.78/4,164.16
  6. Step 6: Final answer
    x = 2,954.85

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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.