Home / 3,071.97-4,234.50-2,817.72

Finding the Fourth Proportional to 3,071.97, 4,234.50 and 2,817.72

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Solution

The fourth proportional to 3,071.97, 4,234.50 and 2,817.72 is: 3,884.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071.97 : 4,234.50 = 2,817.72 : x
  2. Step 2: Convert to fraction form
    3,071.97/4,234.50 = 2,817.72/x
  3. Step 3: Cross multiply
    3,071.97x = 4,234.50 × 2,817.72
  4. Step 4: Simplify right side
    3,071.97x = 11,931,635.34
  5. Step 5: Solve for x
    x = 11,931,635.34/3,071.97
  6. Step 6: Final answer
    x = 3,884.03

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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.