Home / 3,877.83-5,816.79-1,412.46

Finding the Fourth Proportional to 3,877.83, 5,816.79 and 1,412.46

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Solution

The fourth proportional to 3,877.83, 5,816.79 and 1,412.46 is: 2,118.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,877.83 : 5,816.79 = 1,412.46 : x
  2. Step 2: Convert to fraction form
    3,877.83/5,816.79 = 1,412.46/x
  3. Step 3: Cross multiply
    3,877.83x = 5,816.79 × 1,412.46
  4. Step 4: Simplify right side
    3,877.83x = 8,215,983.20
  5. Step 5: Solve for x
    x = 8,215,983.20/3,877.83
  6. Step 6: Final answer
    x = 2,118.71

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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.