Home / 3,557.78-5,336.60-1,608.62

Finding the Fourth Proportional to 3,557.78, 5,336.60 and 1,608.62

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Solution

The fourth proportional to 3,557.78, 5,336.60 and 1,608.62 is: 2,412.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557.78 : 5,336.60 = 1,608.62 : x
  2. Step 2: Convert to fraction form
    3,557.78/5,336.60 = 1,608.62/x
  3. Step 3: Cross multiply
    3,557.78x = 5,336.60 × 1,608.62
  4. Step 4: Simplify right side
    3,557.78x = 8,584,561.49
  5. Step 5: Solve for x
    x = 8,584,561.49/3,557.78
  6. Step 6: Final answer
    x = 2,412.90

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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.