Home / 3,656.82-5,485.62-1,709.58

Finding the Fourth Proportional to 3,656.82, 5,485.62 and 1,709.58

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Solution

The fourth proportional to 3,656.82, 5,485.62 and 1,709.58 is: 2,564.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,656.82 : 5,485.62 = 1,709.58 : x
  2. Step 2: Convert to fraction form
    3,656.82/5,485.62 = 1,709.58/x
  3. Step 3: Cross multiply
    3,656.82x = 5,485.62 × 1,709.58
  4. Step 4: Simplify right side
    3,656.82x = 9,378,106.24
  5. Step 5: Solve for x
    x = 9,378,106.24/3,656.82
  6. Step 6: Final answer
    x = 2,564.55

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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.