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Finding the Fourth Proportional to 3,608.25, 4,979.07 and 2,014.77

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Solution

The fourth proportional to 3,608.25, 4,979.07 and 2,014.77 is: 2,780.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.25 : 4,979.07 = 2,014.77 : x
  2. Step 2: Convert to fraction form
    3,608.25/4,979.07 = 2,014.77/x
  3. Step 3: Cross multiply
    3,608.25x = 4,979.07 × 2,014.77
  4. Step 4: Simplify right side
    3,608.25x = 10,031,699.54
  5. Step 5: Solve for x
    x = 10,031,699.54/3,608.25
  6. Step 6: Final answer
    x = 2,780.21

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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.