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Finding the Fourth Proportional to 3,498.92, 4,828.15 and 2,006.49

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Solution

The fourth proportional to 3,498.92, 4,828.15 and 2,006.49 is: 2,768.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,498.92 : 4,828.15 = 2,006.49 : x
  2. Step 2: Convert to fraction form
    3,498.92/4,828.15 = 2,006.49/x
  3. Step 3: Cross multiply
    3,498.92x = 4,828.15 × 2,006.49
  4. Step 4: Simplify right side
    3,498.92x = 9,687,634.69
  5. Step 5: Solve for x
    x = 9,687,634.69/3,498.92
  6. Step 6: Final answer
    x = 2,768.75

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1.5x scale

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.