Home / 3,658.62-5,486.38-1,577.33

Finding the Fourth Proportional to 3,658.62, 5,486.38 and 1,577.33

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Solution

The fourth proportional to 3,658.62, 5,486.38 and 1,577.33 is: 2,365.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,658.62 : 5,486.38 = 1,577.33 : x
  2. Step 2: Convert to fraction form
    3,658.62/5,486.38 = 1,577.33/x
  3. Step 3: Cross multiply
    3,658.62x = 5,486.38 × 1,577.33
  4. Step 4: Simplify right side
    3,658.62x = 8,653,800.39
  5. Step 5: Solve for x
    x = 8,653,800.39/3,658.62
  6. Step 6: Final answer
    x = 2,365.32

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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.