Home / 3,614.25-5,418.95-1,665.39

Finding the Fourth Proportional to 3,614.25, 5,418.95 and 1,665.39

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Solution

The fourth proportional to 3,614.25, 5,418.95 and 1,665.39 is: 2,496.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,614.25 : 5,418.95 = 1,665.39 : x
  2. Step 2: Convert to fraction form
    3,614.25/5,418.95 = 1,665.39/x
  3. Step 3: Cross multiply
    3,614.25x = 5,418.95 × 1,665.39
  4. Step 4: Simplify right side
    3,614.25x = 9,024,656.81
  5. Step 5: Solve for x
    x = 9,024,656.81/3,614.25
  6. Step 6: Final answer
    x = 2,496.97

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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.