Home / 3,917.34-5,876.49-1,285.26

Finding the Fourth Proportional to 3,917.34, 5,876.49 and 1,285.26

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Solution

The fourth proportional to 3,917.34, 5,876.49 and 1,285.26 is: 1,928.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,917.34 : 5,876.49 = 1,285.26 : x
  2. Step 2: Convert to fraction form
    3,917.34/5,876.49 = 1,285.26/x
  3. Step 3: Cross multiply
    3,917.34x = 5,876.49 × 1,285.26
  4. Step 4: Simplify right side
    3,917.34x = 7,552,817.54
  5. Step 5: Solve for x
    x = 7,552,817.54/3,917.34
  6. Step 6: Final answer
    x = 1,928.05

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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.