Home / 2,614.60-3,917.10-2,201.80

Finding the Fourth Proportional to 2,614.60, 3,917.10 and 2,201.80

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Solution

The fourth proportional to 2,614.60, 3,917.10 and 2,201.80 is: 3,298.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,614.60 : 3,917.10 = 2,201.80 : x
  2. Step 2: Convert to fraction form
    2,614.60/3,917.10 = 2,201.80/x
  3. Step 3: Cross multiply
    2,614.60x = 3,917.10 × 2,201.80
  4. Step 4: Simplify right side
    2,614.60x = 8,624,670.78
  5. Step 5: Solve for x
    x = 8,624,670.78/2,614.60
  6. Step 6: Final answer
    x = 3,298.66

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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.