Home / 3,917.52-5,876.64-1,455.48

Finding the Fourth Proportional to 3,917.52, 5,876.64 and 1,455.48

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Solution

The fourth proportional to 3,917.52, 5,876.64 and 1,455.48 is: 2,183.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,917.52 : 5,876.64 = 1,455.48 : x
  2. Step 2: Convert to fraction form
    3,917.52/5,876.64 = 1,455.48/x
  3. Step 3: Cross multiply
    3,917.52x = 5,876.64 × 1,455.48
  4. Step 4: Simplify right side
    3,917.52x = 8,553,331.99
  5. Step 5: Solve for x
    x = 8,553,331.99/3,917.52
  6. Step 6: Final answer
    x = 2,183.35

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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.