Home / 3,369.26-5,052.66-1,421.60

Finding the Fourth Proportional to 3,369.26, 5,052.66 and 1,421.60

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Solution

The fourth proportional to 3,369.26, 5,052.66 and 1,421.60 is: 2,131.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,369.26 : 5,052.66 = 1,421.60 : x
  2. Step 2: Convert to fraction form
    3,369.26/5,052.66 = 1,421.60/x
  3. Step 3: Cross multiply
    3,369.26x = 5,052.66 × 1,421.60
  4. Step 4: Simplify right side
    3,369.26x = 7,182,861.46
  5. Step 5: Solve for x
    x = 7,182,861.46/3,369.26
  6. Step 6: Final answer
    x = 2,131.88

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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.