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Finding the Fourth Proportional to 2,755.84, 3,801.96 and 1,576.28

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Solution

The fourth proportional to 2,755.84, 3,801.96 and 1,576.28 is: 2,174.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,755.84 : 3,801.96 = 1,576.28 : x
  2. Step 2: Convert to fraction form
    2,755.84/3,801.96 = 1,576.28/x
  3. Step 3: Cross multiply
    2,755.84x = 3,801.96 × 1,576.28
  4. Step 4: Simplify right side
    2,755.84x = 5,992,953.51
  5. Step 5: Solve for x
    x = 5,992,953.51/2,755.84
  6. Step 6: Final answer
    x = 2,174.64

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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.