Home / 3,614.63-5,419.51-1,665.77

Finding the Fourth Proportional to 3,614.63, 5,419.51 and 1,665.77

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Solution

The fourth proportional to 3,614.63, 5,419.51 and 1,665.77 is: 2,497.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,614.63 : 5,419.51 = 1,665.77 : x
  2. Step 2: Convert to fraction form
    3,614.63/5,419.51 = 1,665.77/x
  3. Step 3: Cross multiply
    3,614.63x = 5,419.51 × 1,665.77
  4. Step 4: Simplify right side
    3,614.63x = 9,027,625.91
  5. Step 5: Solve for x
    x = 9,027,625.91/3,614.63
  6. Step 6: Final answer
    x = 2,497.53

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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.