Home / 3,667.60-5,501.40-1,327.91

Finding the Fourth Proportional to 3,667.60, 5,501.40 and 1,327.91

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Solution

The fourth proportional to 3,667.60, 5,501.40 and 1,327.91 is: 1,991.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,667.60 : 5,501.40 = 1,327.91 : x
  2. Step 2: Convert to fraction form
    3,667.60/5,501.40 = 1,327.91/x
  3. Step 3: Cross multiply
    3,667.60x = 5,501.40 × 1,327.91
  4. Step 4: Simplify right side
    3,667.60x = 7,305,357.43
  5. Step 5: Solve for x
    x = 7,305,357.43/3,667.60
  6. Step 6: Final answer
    x = 1,991.87

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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.