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Finding the Fourth Proportional to 2,897.52, 3,996.14 and 1,902.02

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Solution

The fourth proportional to 2,897.52, 3,996.14 and 1,902.02 is: 2,623.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,897.52 : 3,996.14 = 1,902.02 : x
  2. Step 2: Convert to fraction form
    2,897.52/3,996.14 = 1,902.02/x
  3. Step 3: Cross multiply
    2,897.52x = 3,996.14 × 1,902.02
  4. Step 4: Simplify right side
    2,897.52x = 7,600,738.20
  5. Step 5: Solve for x
    x = 7,600,738.20/2,897.52
  6. Step 6: Final answer
    x = 2,623.19

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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.