Home / 3,084.41-4,257.89-1,966.88

Finding the Fourth Proportional to 3,084.41, 4,257.89 and 1,966.88

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Solution

The fourth proportional to 3,084.41, 4,257.89 and 1,966.88 is: 2,715.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,084.41 : 4,257.89 = 1,966.88 : x
  2. Step 2: Convert to fraction form
    3,084.41/4,257.89 = 1,966.88/x
  3. Step 3: Cross multiply
    3,084.41x = 4,257.89 × 1,966.88
  4. Step 4: Simplify right side
    3,084.41x = 8,374,758.68
  5. Step 5: Solve for x
    x = 8,374,758.68/3,084.41
  6. Step 6: Final answer
    x = 2,715.19

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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.