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Finding the Fourth Proportional to 2,979.93, 4,480.02 and 2,436.06

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Solution

The fourth proportional to 2,979.93, 4,480.02 and 2,436.06 is: 3,662.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979.93 : 4,480.02 = 2,436.06 : x
  2. Step 2: Convert to fraction form
    2,979.93/4,480.02 = 2,436.06/x
  3. Step 3: Cross multiply
    2,979.93x = 4,480.02 × 2,436.06
  4. Step 4: Simplify right side
    2,979.93x = 10,913,597.52
  5. Step 5: Solve for x
    x = 10,913,597.52/2,979.93
  6. Step 6: Final answer
    x = 3,662.37

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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.