Home / 3,770.30-5,655.45-1,137.81

Finding the Fourth Proportional to 3,770.30, 5,655.45 and 1,137.81

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Solution

The fourth proportional to 3,770.30, 5,655.45 and 1,137.81 is: 1,706.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,770.30 : 5,655.45 = 1,137.81 : x
  2. Step 2: Convert to fraction form
    3,770.30/5,655.45 = 1,137.81/x
  3. Step 3: Cross multiply
    3,770.30x = 5,655.45 × 1,137.81
  4. Step 4: Simplify right side
    3,770.30x = 6,434,819.58
  5. Step 5: Solve for x
    x = 6,434,819.58/3,770.30
  6. Step 6: Final answer
    x = 1,706.71

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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.