Home / 3,665.62-5,052.64-2,867.56

Finding the Fourth Proportional to 3,665.62, 5,052.64 and 2,867.56

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Solution

The fourth proportional to 3,665.62, 5,052.64 and 2,867.56 is: 3,952.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,665.62 : 5,052.64 = 2,867.56 : x
  2. Step 2: Convert to fraction form
    3,665.62/5,052.64 = 2,867.56/x
  3. Step 3: Cross multiply
    3,665.62x = 5,052.64 × 2,867.56
  4. Step 4: Simplify right side
    3,665.62x = 14,488,748.36
  5. Step 5: Solve for x
    x = 14,488,748.36/3,665.62
  6. Step 6: Final answer
    x = 3,952.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.