Home / 3,608.19-4,978.44-2,036.28

Finding the Fourth Proportional to 3,608.19, 4,978.44 and 2,036.28

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Solution

The fourth proportional to 3,608.19, 4,978.44 and 2,036.28 is: 2,809.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.19 : 4,978.44 = 2,036.28 : x
  2. Step 2: Convert to fraction form
    3,608.19/4,978.44 = 2,036.28/x
  3. Step 3: Cross multiply
    3,608.19x = 4,978.44 × 2,036.28
  4. Step 4: Simplify right side
    3,608.19x = 10,137,497.80
  5. Step 5: Solve for x
    x = 10,137,497.80/3,608.19
  6. Step 6: Final answer
    x = 2,809.58

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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.