Home / 3,884.96-5,357.94-2,625.68

Finding the Fourth Proportional to 3,884.96, 5,357.94 and 2,625.68

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Solution

The fourth proportional to 3,884.96, 5,357.94 and 2,625.68 is: 3,621.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,884.96 : 5,357.94 = 2,625.68 : x
  2. Step 2: Convert to fraction form
    3,884.96/5,357.94 = 2,625.68/x
  3. Step 3: Cross multiply
    3,884.96x = 5,357.94 × 2,625.68
  4. Step 4: Simplify right side
    3,884.96x = 14,068,235.90
  5. Step 5: Solve for x
    x = 14,068,235.90/3,884.96
  6. Step 6: Final answer
    x = 3,621.20

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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.