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Finding the Fourth Proportional to 3,617.63, 5,425.63 and 1,767.86

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Solution

The fourth proportional to 3,617.63, 5,425.63 and 1,767.86 is: 2,651.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.63 : 5,425.63 = 1,767.86 : x
  2. Step 2: Convert to fraction form
    3,617.63/5,425.63 = 1,767.86/x
  3. Step 3: Cross multiply
    3,617.63x = 5,425.63 × 1,767.86
  4. Step 4: Simplify right side
    3,617.63x = 9,591,722.70
  5. Step 5: Solve for x
    x = 9,591,722.70/3,617.63
  6. Step 6: Final answer
    x = 2,651.39

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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.