Home / 3,176.35-4,380.64-1,917.14

Finding the Fourth Proportional to 3,176.35, 4,380.64 and 1,917.14

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Solution

The fourth proportional to 3,176.35, 4,380.64 and 1,917.14 is: 2,644.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176.35 : 4,380.64 = 1,917.14 : x
  2. Step 2: Convert to fraction form
    3,176.35/4,380.64 = 1,917.14/x
  3. Step 3: Cross multiply
    3,176.35x = 4,380.64 × 1,917.14
  4. Step 4: Simplify right side
    3,176.35x = 8,398,273.47
  5. Step 5: Solve for x
    x = 8,398,273.47/3,176.35
  6. Step 6: Final answer
    x = 2,644.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.