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Finding the Fourth Proportional to 1,836.92, 2,750.24 and 1,402.76

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Solution

The fourth proportional to 1,836.92, 2,750.24 and 1,402.76 is: 2,100.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,836.92 : 2,750.24 = 1,402.76 : x
  2. Step 2: Convert to fraction form
    1,836.92/2,750.24 = 1,402.76/x
  3. Step 3: Cross multiply
    1,836.92x = 2,750.24 × 1,402.76
  4. Step 4: Simplify right side
    1,836.92x = 3,857,926.66
  5. Step 5: Solve for x
    x = 3,857,926.66/1,836.92
  6. Step 6: Final answer
    x = 2,100.21

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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.