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Finding the Fourth Proportional to 3,071.96, 4,237.96 and 2,076.88

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Solution

The fourth proportional to 3,071.96, 4,237.96 and 2,076.88 is: 2,865.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071.96 : 4,237.96 = 2,076.88 : x
  2. Step 2: Convert to fraction form
    3,071.96/4,237.96 = 2,076.88/x
  3. Step 3: Cross multiply
    3,071.96x = 4,237.96 × 2,076.88
  4. Step 4: Simplify right side
    3,071.96x = 8,801,734.36
  5. Step 5: Solve for x
    x = 8,801,734.36/3,071.96
  6. Step 6: Final answer
    x = 2,865.19

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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.