Home / 3,948.62-5,926.51-2,101.29

Finding the Fourth Proportional to 3,948.62, 5,926.51 and 2,101.29

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Solution

The fourth proportional to 3,948.62, 5,926.51 and 2,101.29 is: 3,153.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948.62 : 5,926.51 = 2,101.29 : x
  2. Step 2: Convert to fraction form
    3,948.62/5,926.51 = 2,101.29/x
  3. Step 3: Cross multiply
    3,948.62x = 5,926.51 × 2,101.29
  4. Step 4: Simplify right side
    3,948.62x = 12,453,321.45
  5. Step 5: Solve for x
    x = 12,453,321.45/3,948.62
  6. Step 6: Final answer
    x = 3,153.84

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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.