Home / 3,864.08-5,796.28-1,917.84

Finding the Fourth Proportional to 3,864.08, 5,796.28 and 1,917.84

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Solution

The fourth proportional to 3,864.08, 5,796.28 and 1,917.84 is: 2,876.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864.08 : 5,796.28 = 1,917.84 : x
  2. Step 2: Convert to fraction form
    3,864.08/5,796.28 = 1,917.84/x
  3. Step 3: Cross multiply
    3,864.08x = 5,796.28 × 1,917.84
  4. Step 4: Simplify right side
    3,864.08x = 11,116,299.06
  5. Step 5: Solve for x
    x = 11,116,299.06/3,864.08
  6. Step 6: Final answer
    x = 2,876.83

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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.