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Finding the Fourth Proportional to 3,564.87, 5,345.88 and 1,372.38

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Solution

The fourth proportional to 3,564.87, 5,345.88 and 1,372.38 is: 2,058.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,564.87 : 5,345.88 = 1,372.38 : x
  2. Step 2: Convert to fraction form
    3,564.87/5,345.88 = 1,372.38/x
  3. Step 3: Cross multiply
    3,564.87x = 5,345.88 × 1,372.38
  4. Step 4: Simplify right side
    3,564.87x = 7,336,578.79
  5. Step 5: Solve for x
    x = 7,336,578.79/3,564.87
  6. Step 6: Final answer
    x = 2,058.02

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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.