Home / 3,608.48-4,979.68-2,036.64

Finding the Fourth Proportional to 3,608.48, 4,979.68 and 2,036.64

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Solution

The fourth proportional to 3,608.48, 4,979.68 and 2,036.64 is: 2,810.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.48 : 4,979.68 = 2,036.64 : x
  2. Step 2: Convert to fraction form
    3,608.48/4,979.68 = 2,036.64/x
  3. Step 3: Cross multiply
    3,608.48x = 4,979.68 × 2,036.64
  4. Step 4: Simplify right side
    3,608.48x = 10,141,815.48
  5. Step 5: Solve for x
    x = 10,141,815.48/3,608.48
  6. Step 6: Final answer
    x = 2,810.55

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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.