Home / 3,919.12-5,877.60-2,043

Finding the Fourth Proportional to 3,919.12, 5,877.60 and 2,043

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Solution

The fourth proportional to 3,919.12, 5,877.60 and 2,043 is: 3,063.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919.12 : 5,877.60 = 2,043 : x
  2. Step 2: Convert to fraction form
    3,919.12/5,877.60 = 2,043/x
  3. Step 3: Cross multiply
    3,919.12x = 5,877.60 × 2,043
  4. Step 4: Simplify right side
    3,919.12x = 12,007,936.80
  5. Step 5: Solve for x
    x = 12,007,936.80/3,919.12
  6. Step 6: Final answer
    x = 3,063.94

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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.