Home / 3,979.12-5,928.70-3,755.56

Finding the Fourth Proportional to 3,979.12, 5,928.70 and 3,755.56

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Solution

The fourth proportional to 3,979.12, 5,928.70 and 3,755.56 is: 5,595.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979.12 : 5,928.70 = 3,755.56 : x
  2. Step 2: Convert to fraction form
    3,979.12/5,928.70 = 3,755.56/x
  3. Step 3: Cross multiply
    3,979.12x = 5,928.70 × 3,755.56
  4. Step 4: Simplify right side
    3,979.12x = 22,265,588.57
  5. Step 5: Solve for x
    x = 22,265,588.57/3,979.12
  6. Step 6: Final answer
    x = 5,595.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.