Home / 3,637.06-5,455.62-2,171.80

Finding the Fourth Proportional to 3,637.06, 5,455.62 and 2,171.80

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Solution

The fourth proportional to 3,637.06, 5,455.62 and 2,171.80 is: 3,257.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,637.06 : 5,455.62 = 2,171.80 : x
  2. Step 2: Convert to fraction form
    3,637.06/5,455.62 = 2,171.80/x
  3. Step 3: Cross multiply
    3,637.06x = 5,455.62 × 2,171.80
  4. Step 4: Simplify right side
    3,637.06x = 11,848,515.52
  5. Step 5: Solve for x
    x = 11,848,515.52/3,637.06
  6. Step 6: Final answer
    x = 3,257.72

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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.