Home / 3,260.55-4,887.03-1,618.14

Finding the Fourth Proportional to 3,260.55, 4,887.03 and 1,618.14

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Solution

The fourth proportional to 3,260.55, 4,887.03 and 1,618.14 is: 2,425.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.55 : 4,887.03 = 1,618.14 : x
  2. Step 2: Convert to fraction form
    3,260.55/4,887.03 = 1,618.14/x
  3. Step 3: Cross multiply
    3,260.55x = 4,887.03 × 1,618.14
  4. Step 4: Simplify right side
    3,260.55x = 7,907,898.72
  5. Step 5: Solve for x
    x = 7,907,898.72/3,260.55
  6. Step 6: Final answer
    x = 2,425.33

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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.