Home / 3,948-5,922.63-1,351.55

Finding the Fourth Proportional to 3,948, 5,922.63 and 1,351.55

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Solution

The fourth proportional to 3,948, 5,922.63 and 1,351.55 is: 2,027.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948 : 5,922.63 = 1,351.55 : x
  2. Step 2: Convert to fraction form
    3,948/5,922.63 = 1,351.55/x
  3. Step 3: Cross multiply
    3,948x = 5,922.63 × 1,351.55
  4. Step 4: Simplify right side
    3,948x = 8,004,700.96
  5. Step 5: Solve for x
    x = 8,004,700.96/3,948
  6. Step 6: Final answer
    x = 2,027.53

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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.