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Finding the Fourth Proportional to 3,331.77, 4,597.78 and 1,839.60

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Solution

The fourth proportional to 3,331.77, 4,597.78 and 1,839.60 is: 2,538.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,331.77 : 4,597.78 = 1,839.60 : x
  2. Step 2: Convert to fraction form
    3,331.77/4,597.78 = 1,839.60/x
  3. Step 3: Cross multiply
    3,331.77x = 4,597.78 × 1,839.60
  4. Step 4: Simplify right side
    3,331.77x = 8,458,076.09
  5. Step 5: Solve for x
    x = 8,458,076.09/3,331.77
  6. Step 6: Final answer
    x = 2,538.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.