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Finding the Fourth Proportional to 2,644.26, 3,650.43 and 1,935.32

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Solution

The fourth proportional to 2,644.26, 3,650.43 and 1,935.32 is: 2,671.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,644.26 : 3,650.43 = 1,935.32 : x
  2. Step 2: Convert to fraction form
    2,644.26/3,650.43 = 1,935.32/x
  3. Step 3: Cross multiply
    2,644.26x = 3,650.43 × 1,935.32
  4. Step 4: Simplify right side
    2,644.26x = 7,064,731.94
  5. Step 5: Solve for x
    x = 7,064,731.94/2,644.26
  6. Step 6: Final answer
    x = 2,671.72

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Double scale
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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.