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Finding the Fourth Proportional to 2,299.78, 3,446.02 and 999.73

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Solution

The fourth proportional to 2,299.78, 3,446.02 and 999.73 is: 1,498.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,299.78 : 3,446.02 = 999.73 : x
  2. Step 2: Convert to fraction form
    2,299.78/3,446.02 = 999.73/x
  3. Step 3: Cross multiply
    2,299.78x = 3,446.02 × 999.73
  4. Step 4: Simplify right side
    2,299.78x = 3,445,089.57
  5. Step 5: Solve for x
    x = 3,445,089.57/2,299.78
  6. Step 6: Final answer
    x = 1,498.01

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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.