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Finding the Fourth Proportional to 3,614.01, 4,988.15 and 2,043.01

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Solution

The fourth proportional to 3,614.01, 4,988.15 and 2,043.01 is: 2,819.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,614.01 : 4,988.15 = 2,043.01 : x
  2. Step 2: Convert to fraction form
    3,614.01/4,988.15 = 2,043.01/x
  3. Step 3: Cross multiply
    3,614.01x = 4,988.15 × 2,043.01
  4. Step 4: Simplify right side
    3,614.01x = 10,190,840.33
  5. Step 5: Solve for x
    x = 10,190,840.33/3,614.01
  6. Step 6: Final answer
    x = 2,819.82

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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.