Home / 3,608.39-4,979.17-2,036.18

Finding the Fourth Proportional to 3,608.39, 4,979.17 and 2,036.18

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Solution

The fourth proportional to 3,608.39, 4,979.17 and 2,036.18 is: 2,809.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.39 : 4,979.17 = 2,036.18 : x
  2. Step 2: Convert to fraction form
    3,608.39/4,979.17 = 2,036.18/x
  3. Step 3: Cross multiply
    3,608.39x = 4,979.17 × 2,036.18
  4. Step 4: Simplify right side
    3,608.39x = 10,138,486.37
  5. Step 5: Solve for x
    x = 10,138,486.37/3,608.39
  6. Step 6: Final answer
    x = 2,809.70

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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.