Home / 3,904.44-5,387.96-2,331.60

Finding the Fourth Proportional to 3,904.44, 5,387.96 and 2,331.60

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Solution

The fourth proportional to 3,904.44, 5,387.96 and 2,331.60 is: 3,217.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904.44 : 5,387.96 = 2,331.60 : x
  2. Step 2: Convert to fraction form
    3,904.44/5,387.96 = 2,331.60/x
  3. Step 3: Cross multiply
    3,904.44x = 5,387.96 × 2,331.60
  4. Step 4: Simplify right side
    3,904.44x = 12,562,567.54
  5. Step 5: Solve for x
    x = 12,562,567.54/3,904.44
  6. Step 6: Final answer
    x = 3,217.51

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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.