Home / 3,964.78-5,948.06-2,114.92

Finding the Fourth Proportional to 3,964.78, 5,948.06 and 2,114.92

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Solution

The fourth proportional to 3,964.78, 5,948.06 and 2,114.92 is: 3,172.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964.78 : 5,948.06 = 2,114.92 : x
  2. Step 2: Convert to fraction form
    3,964.78/5,948.06 = 2,114.92/x
  3. Step 3: Cross multiply
    3,964.78x = 5,948.06 × 2,114.92
  4. Step 4: Simplify right side
    3,964.78x = 12,579,671.06
  5. Step 5: Solve for x
    x = 12,579,671.06/3,964.78
  6. Step 6: Final answer
    x = 3,172.85

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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.