Home / 2,906.50-4,011.49-1,647.97

Finding the Fourth Proportional to 2,906.50, 4,011.49 and 1,647.97

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Solution

The fourth proportional to 2,906.50, 4,011.49 and 1,647.97 is: 2,274.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,906.50 : 4,011.49 = 1,647.97 : x
  2. Step 2: Convert to fraction form
    2,906.50/4,011.49 = 1,647.97/x
  3. Step 3: Cross multiply
    2,906.50x = 4,011.49 × 1,647.97
  4. Step 4: Simplify right side
    2,906.50x = 6,610,815.18
  5. Step 5: Solve for x
    x = 6,610,815.18/2,906.50
  6. Step 6: Final answer
    x = 2,274.49

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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.