Home / 3,618.58-5,427.24-1,670.62

Finding the Fourth Proportional to 3,618.58, 5,427.24 and 1,670.62

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Solution

The fourth proportional to 3,618.58, 5,427.24 and 1,670.62 is: 2,505.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618.58 : 5,427.24 = 1,670.62 : x
  2. Step 2: Convert to fraction form
    3,618.58/5,427.24 = 1,670.62/x
  3. Step 3: Cross multiply
    3,618.58x = 5,427.24 × 1,670.62
  4. Step 4: Simplify right side
    3,618.58x = 9,066,855.69
  5. Step 5: Solve for x
    x = 9,066,855.69/3,618.58
  6. Step 6: Final answer
    x = 2,505.64

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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.