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Finding the Fourth Proportional to 3,757.88, 5,635.80 and 1,417.73

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Solution

The fourth proportional to 3,757.88, 5,635.80 and 1,417.73 is: 2,126.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,757.88 : 5,635.80 = 1,417.73 : x
  2. Step 2: Convert to fraction form
    3,757.88/5,635.80 = 1,417.73/x
  3. Step 3: Cross multiply
    3,757.88x = 5,635.80 × 1,417.73
  4. Step 4: Simplify right side
    3,757.88x = 7,990,014.56
  5. Step 5: Solve for x
    x = 7,990,014.56/3,757.88
  6. Step 6: Final answer
    x = 2,126.21

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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.