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Finding the Fourth Proportional to 3,339.29, 4,608.29 and 2,012.72

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Solution

The fourth proportional to 3,339.29, 4,608.29 and 2,012.72 is: 2,777.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,339.29 : 4,608.29 = 2,012.72 : x
  2. Step 2: Convert to fraction form
    3,339.29/4,608.29 = 2,012.72/x
  3. Step 3: Cross multiply
    3,339.29x = 4,608.29 × 2,012.72
  4. Step 4: Simplify right side
    3,339.29x = 9,275,179.44
  5. Step 5: Solve for x
    x = 9,275,179.44/3,339.29
  6. Step 6: Final answer
    x = 2,777.59

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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.