Home / 3,922.62-5,885.04-1,325.76

Finding the Fourth Proportional to 3,922.62, 5,885.04 and 1,325.76

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Solution

The fourth proportional to 3,922.62, 5,885.04 and 1,325.76 is: 1,989.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,922.62 : 5,885.04 = 1,325.76 : x
  2. Step 2: Convert to fraction form
    3,922.62/5,885.04 = 1,325.76/x
  3. Step 3: Cross multiply
    3,922.62x = 5,885.04 × 1,325.76
  4. Step 4: Simplify right side
    3,922.62x = 7,802,150.63
  5. Step 5: Solve for x
    x = 7,802,150.63/3,922.62
  6. Step 6: Final answer
    x = 1,989.02

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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.