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Finding the Fourth Proportional to 2,051.08, 3,072.26 and 956.44

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Solution

The fourth proportional to 2,051.08, 3,072.26 and 956.44 is: 1,432.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,051.08 : 3,072.26 = 956.44 : x
  2. Step 2: Convert to fraction form
    2,051.08/3,072.26 = 956.44/x
  3. Step 3: Cross multiply
    2,051.08x = 3,072.26 × 956.44
  4. Step 4: Simplify right side
    2,051.08x = 2,938,432.35
  5. Step 5: Solve for x
    x = 2,938,432.35/2,051.08
  6. Step 6: Final answer
    x = 1,432.63

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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.