Home / 3,936.33-5,432.35-2,257.72

Finding the Fourth Proportional to 3,936.33, 5,432.35 and 2,257.72

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Solution

The fourth proportional to 3,936.33, 5,432.35 and 2,257.72 is: 3,115.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936.33 : 5,432.35 = 2,257.72 : x
  2. Step 2: Convert to fraction form
    3,936.33/5,432.35 = 2,257.72/x
  3. Step 3: Cross multiply
    3,936.33x = 5,432.35 × 2,257.72
  4. Step 4: Simplify right side
    3,936.33x = 12,264,740.81
  5. Step 5: Solve for x
    x = 12,264,740.81/3,936.33
  6. Step 6: Final answer
    x = 3,115.78

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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.