Home / 3,468.36-5,199.60-1,618.50

Finding the Fourth Proportional to 3,468.36, 5,199.60 and 1,618.50

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Solution

The fourth proportional to 3,468.36, 5,199.60 and 1,618.50 is: 2,426.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,468.36 : 5,199.60 = 1,618.50 : x
  2. Step 2: Convert to fraction form
    3,468.36/5,199.60 = 1,618.50/x
  3. Step 3: Cross multiply
    3,468.36x = 5,199.60 × 1,618.50
  4. Step 4: Simplify right side
    3,468.36x = 8,415,552.60
  5. Step 5: Solve for x
    x = 8,415,552.60/3,468.36
  6. Step 6: Final answer
    x = 2,426.38

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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.