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Finding the Fourth Proportional to 3,703.56, 5,555.27 and 1,511.78

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Solution

The fourth proportional to 3,703.56, 5,555.27 and 1,511.78 is: 2,267.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,703.56 : 5,555.27 = 1,511.78 : x
  2. Step 2: Convert to fraction form
    3,703.56/5,555.27 = 1,511.78/x
  3. Step 3: Cross multiply
    3,703.56x = 5,555.27 × 1,511.78
  4. Step 4: Simplify right side
    3,703.56x = 8,398,310.75
  5. Step 5: Solve for x
    x = 8,398,310.75/3,703.56
  6. Step 6: Final answer
    x = 2,267.63

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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.