Home / 3,748.76-5,623.82-1,557.66

Finding the Fourth Proportional to 3,748.76, 5,623.82 and 1,557.66

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Solution

The fourth proportional to 3,748.76, 5,623.82 and 1,557.66 is: 2,336.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748.76 : 5,623.82 = 1,557.66 : x
  2. Step 2: Convert to fraction form
    3,748.76/5,623.82 = 1,557.66/x
  3. Step 3: Cross multiply
    3,748.76x = 5,623.82 × 1,557.66
  4. Step 4: Simplify right side
    3,748.76x = 8,760,018.60
  5. Step 5: Solve for x
    x = 8,760,018.60/3,748.76
  6. Step 6: Final answer
    x = 2,336.78

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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.