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Finding the Fourth Proportional to 1,957.88, 2,936.82 and 497.04

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Solution

The fourth proportional to 1,957.88, 2,936.82 and 497.04 is: 745.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,957.88 : 2,936.82 = 497.04 : x
  2. Step 2: Convert to fraction form
    1,957.88/2,936.82 = 497.04/x
  3. Step 3: Cross multiply
    1,957.88x = 2,936.82 × 497.04
  4. Step 4: Simplify right side
    1,957.88x = 1,459,717.01
  5. Step 5: Solve for x
    x = 1,459,717.01/1,957.88
  6. Step 6: Final answer
    x = 745.56

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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.