Home / 3,251.39-4,878.84-2,156.27

Finding the Fourth Proportional to 3,251.39, 4,878.84 and 2,156.27

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Solution

The fourth proportional to 3,251.39, 4,878.84 and 2,156.27 is: 3,235.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.39 : 4,878.84 = 2,156.27 : x
  2. Step 2: Convert to fraction form
    3,251.39/4,878.84 = 2,156.27/x
  3. Step 3: Cross multiply
    3,251.39x = 4,878.84 × 2,156.27
  4. Step 4: Simplify right side
    3,251.39x = 10,520,096.33
  5. Step 5: Solve for x
    x = 10,520,096.33/3,251.39
  6. Step 6: Final answer
    x = 3,235.57

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1.5x scale

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.