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Finding the Fourth Proportional to 3,578.14, 5,369.64 and 3,550.87

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Solution

The fourth proportional to 3,578.14, 5,369.64 and 3,550.87 is: 5,328.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.14 : 5,369.64 = 3,550.87 : x
  2. Step 2: Convert to fraction form
    3,578.14/5,369.64 = 3,550.87/x
  3. Step 3: Cross multiply
    3,578.14x = 5,369.64 × 3,550.87
  4. Step 4: Simplify right side
    3,578.14x = 19,066,893.59
  5. Step 5: Solve for x
    x = 19,066,893.59/3,578.14
  6. Step 6: Final answer
    x = 5,328.72

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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.