Home / 2,685.44-4,031.52-2,672.96

Finding the Fourth Proportional to 2,685.44, 4,031.52 and 2,672.96

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Solution

The fourth proportional to 2,685.44, 4,031.52 and 2,672.96 is: 4,012.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685.44 : 4,031.52 = 2,672.96 : x
  2. Step 2: Convert to fraction form
    2,685.44/4,031.52 = 2,672.96/x
  3. Step 3: Cross multiply
    2,685.44x = 4,031.52 × 2,672.96
  4. Step 4: Simplify right side
    2,685.44x = 10,776,091.70
  5. Step 5: Solve for x
    x = 10,776,091.70/2,685.44
  6. Step 6: Final answer
    x = 4,012.78

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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.