Home / 3,369.22-5,052.72-1,289.14

Finding the Fourth Proportional to 3,369.22, 5,052.72 and 1,289.14

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Solution

The fourth proportional to 3,369.22, 5,052.72 and 1,289.14 is: 1,933.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,369.22 : 5,052.72 = 1,289.14 : x
  2. Step 2: Convert to fraction form
    3,369.22/5,052.72 = 1,289.14/x
  3. Step 3: Cross multiply
    3,369.22x = 5,052.72 × 1,289.14
  4. Step 4: Simplify right side
    3,369.22x = 6,513,663.46
  5. Step 5: Solve for x
    x = 6,513,663.46/3,369.22
  6. Step 6: Final answer
    x = 1,933.29

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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.