Home / 3,665.36-5,498.76-2,126

Finding the Fourth Proportional to 3,665.36, 5,498.76 and 2,126

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Solution

The fourth proportional to 3,665.36, 5,498.76 and 2,126 is: 3,189.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,665.36 : 5,498.76 = 2,126 : x
  2. Step 2: Convert to fraction form
    3,665.36/5,498.76 = 2,126/x
  3. Step 3: Cross multiply
    3,665.36x = 5,498.76 × 2,126
  4. Step 4: Simplify right side
    3,665.36x = 11,690,363.76
  5. Step 5: Solve for x
    x = 11,690,363.76/3,665.36
  6. Step 6: Final answer
    x = 3,189.42

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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.