Home / 3,608.47-4,979.65-2,036.57

Finding the Fourth Proportional to 3,608.47, 4,979.65 and 2,036.57

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Solution

The fourth proportional to 3,608.47, 4,979.65 and 2,036.57 is: 2,810.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.47 : 4,979.65 = 2,036.57 : x
  2. Step 2: Convert to fraction form
    3,608.47/4,979.65 = 2,036.57/x
  3. Step 3: Cross multiply
    3,608.47x = 4,979.65 × 2,036.57
  4. Step 4: Simplify right side
    3,608.47x = 10,141,405.80
  5. Step 5: Solve for x
    x = 10,141,405.80/3,608.47
  6. Step 6: Final answer
    x = 2,810.44

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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.