Home / 3,926.60-5,886.70-2,171.53

Finding the Fourth Proportional to 3,926.60, 5,886.70 and 2,171.53

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Solution

The fourth proportional to 3,926.60, 5,886.70 and 2,171.53 is: 3,255.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926.60 : 5,886.70 = 2,171.53 : x
  2. Step 2: Convert to fraction form
    3,926.60/5,886.70 = 2,171.53/x
  3. Step 3: Cross multiply
    3,926.60x = 5,886.70 × 2,171.53
  4. Step 4: Simplify right side
    3,926.60x = 12,783,130.93
  5. Step 5: Solve for x
    x = 12,783,130.93/3,926.60
  6. Step 6: Final answer
    x = 3,255.53

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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.