Home / 3,608.60-4,979.84-2,036.64

Finding the Fourth Proportional to 3,608.60, 4,979.84 and 2,036.64

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Solution

The fourth proportional to 3,608.60, 4,979.84 and 2,036.64 is: 2,810.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.60 : 4,979.84 = 2,036.64 : x
  2. Step 2: Convert to fraction form
    3,608.60/4,979.84 = 2,036.64/x
  3. Step 3: Cross multiply
    3,608.60x = 4,979.84 × 2,036.64
  4. Step 4: Simplify right side
    3,608.60x = 10,142,141.34
  5. Step 5: Solve for x
    x = 10,142,141.34/3,608.60
  6. Step 6: Final answer
    x = 2,810.55

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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.