Home / 2,845.92-3,928.25-1,667.37

Finding the Fourth Proportional to 2,845.92, 3,928.25 and 1,667.37

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Solution

The fourth proportional to 2,845.92, 3,928.25 and 1,667.37 is: 2,301.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.92 : 3,928.25 = 1,667.37 : x
  2. Step 2: Convert to fraction form
    2,845.92/3,928.25 = 1,667.37/x
  3. Step 3: Cross multiply
    2,845.92x = 3,928.25 × 1,667.37
  4. Step 4: Simplify right side
    2,845.92x = 6,549,837.87
  5. Step 5: Solve for x
    x = 6,549,837.87/2,845.92
  6. Step 6: Final answer
    x = 2,301.48

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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.