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Finding the Fourth Proportional to 3,891.71, 5,832.96 and 2,244.86

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Solution

The fourth proportional to 3,891.71, 5,832.96 and 2,244.86 is: 3,364.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,891.71 : 5,832.96 = 2,244.86 : x
  2. Step 2: Convert to fraction form
    3,891.71/5,832.96 = 2,244.86/x
  3. Step 3: Cross multiply
    3,891.71x = 5,832.96 × 2,244.86
  4. Step 4: Simplify right side
    3,891.71x = 13,094,162.88
  5. Step 5: Solve for x
    x = 13,094,162.88/3,891.71
  6. Step 6: Final answer
    x = 3,364.63

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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.