Home / 3,748.34-5,622.51-1,115.88

Finding the Fourth Proportional to 3,748.34, 5,622.51 and 1,115.88

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Solution

The fourth proportional to 3,748.34, 5,622.51 and 1,115.88 is: 1,673.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748.34 : 5,622.51 = 1,115.88 : x
  2. Step 2: Convert to fraction form
    3,748.34/5,622.51 = 1,115.88/x
  3. Step 3: Cross multiply
    3,748.34x = 5,622.51 × 1,115.88
  4. Step 4: Simplify right side
    3,748.34x = 6,274,065.95
  5. Step 5: Solve for x
    x = 6,274,065.95/3,748.34
  6. Step 6: Final answer
    x = 1,673.83

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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.