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Finding the Fourth Proportional to 3,950.42, 5,921.50 and 1,609.42

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Solution

The fourth proportional to 3,950.42, 5,921.50 and 1,609.42 is: 2,412.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,950.42 : 5,921.50 = 1,609.42 : x
  2. Step 2: Convert to fraction form
    3,950.42/5,921.50 = 1,609.42/x
  3. Step 3: Cross multiply
    3,950.42x = 5,921.50 × 1,609.42
  4. Step 4: Simplify right side
    3,950.42x = 9,530,180.53
  5. Step 5: Solve for x
    x = 9,530,180.53/3,950.42
  6. Step 6: Final answer
    x = 2,412.45

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1.5x scale

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.