Home / 3,665.05-5,504.95-2,187.16

Finding the Fourth Proportional to 3,665.05, 5,504.95 and 2,187.16

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Solution

The fourth proportional to 3,665.05, 5,504.95 and 2,187.16 is: 3,285.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,665.05 : 5,504.95 = 2,187.16 : x
  2. Step 2: Convert to fraction form
    3,665.05/5,504.95 = 2,187.16/x
  3. Step 3: Cross multiply
    3,665.05x = 5,504.95 × 2,187.16
  4. Step 4: Simplify right side
    3,665.05x = 12,040,178.92
  5. Step 5: Solve for x
    x = 12,040,178.92/3,665.05
  6. Step 6: Final answer
    x = 3,285.14

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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.