Home / 3,876.43-5,815.46-2,027.05

Finding the Fourth Proportional to 3,876.43, 5,815.46 and 2,027.05

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Solution

The fourth proportional to 3,876.43, 5,815.46 and 2,027.05 is: 3,041.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,876.43 : 5,815.46 = 2,027.05 : x
  2. Step 2: Convert to fraction form
    3,876.43/5,815.46 = 2,027.05/x
  3. Step 3: Cross multiply
    3,876.43x = 5,815.46 × 2,027.05
  4. Step 4: Simplify right side
    3,876.43x = 11,788,228.19
  5. Step 5: Solve for x
    x = 11,788,228.19/3,876.43
  6. Step 6: Final answer
    x = 3,041.00

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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.