Home / 3,625.44-5,435.97-1,979.70

Finding the Fourth Proportional to 3,625.44, 5,435.97 and 1,979.70

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Solution

The fourth proportional to 3,625.44, 5,435.97 and 1,979.70 is: 2,968.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,625.44 : 5,435.97 = 1,979.70 : x
  2. Step 2: Convert to fraction form
    3,625.44/5,435.97 = 1,979.70/x
  3. Step 3: Cross multiply
    3,625.44x = 5,435.97 × 1,979.70
  4. Step 4: Simplify right side
    3,625.44x = 10,761,562.63
  5. Step 5: Solve for x
    x = 10,761,562.63/3,625.44
  6. Step 6: Final answer
    x = 2,968.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.