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Finding the Fourth Proportional to 2,800.50, 4,201.50 and 2,494.46

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Solution

The fourth proportional to 2,800.50, 4,201.50 and 2,494.46 is: 3,742.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,800.50 : 4,201.50 = 2,494.46 : x
  2. Step 2: Convert to fraction form
    2,800.50/4,201.50 = 2,494.46/x
  3. Step 3: Cross multiply
    2,800.50x = 4,201.50 × 2,494.46
  4. Step 4: Simplify right side
    2,800.50x = 10,480,473.69
  5. Step 5: Solve for x
    x = 10,480,473.69/2,800.50
  6. Step 6: Final answer
    x = 3,742.36

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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.