Home / 3,968.89-5,950.38-1,966.43

Finding the Fourth Proportional to 3,968.89, 5,950.38 and 1,966.43

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Solution

The fourth proportional to 3,968.89, 5,950.38 and 1,966.43 is: 2,948.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,968.89 : 5,950.38 = 1,966.43 : x
  2. Step 2: Convert to fraction form
    3,968.89/5,950.38 = 1,966.43/x
  3. Step 3: Cross multiply
    3,968.89x = 5,950.38 × 1,966.43
  4. Step 4: Simplify right side
    3,968.89x = 11,701,005.74
  5. Step 5: Solve for x
    x = 11,701,005.74/3,968.89
  6. Step 6: Final answer
    x = 2,948.18

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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.