Home / 3,948.62-5,922.45-3,071.99

Finding the Fourth Proportional to 3,948.62, 5,922.45 and 3,071.99

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Solution

The fourth proportional to 3,948.62, 5,922.45 and 3,071.99 is: 4,607.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948.62 : 5,922.45 = 3,071.99 : x
  2. Step 2: Convert to fraction form
    3,948.62/5,922.45 = 3,071.99/x
  3. Step 3: Cross multiply
    3,948.62x = 5,922.45 × 3,071.99
  4. Step 4: Simplify right side
    3,948.62x = 18,193,721.98
  5. Step 5: Solve for x
    x = 18,193,721.98/3,948.62
  6. Step 6: Final answer
    x = 4,607.62

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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.