Home / 3,745.76-5,618.50-1,148.63

Finding the Fourth Proportional to 3,745.76, 5,618.50 and 1,148.63

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Solution

The fourth proportional to 3,745.76, 5,618.50 and 1,148.63 is: 1,722.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745.76 : 5,618.50 = 1,148.63 : x
  2. Step 2: Convert to fraction form
    3,745.76/5,618.50 = 1,148.63/x
  3. Step 3: Cross multiply
    3,745.76x = 5,618.50 × 1,148.63
  4. Step 4: Simplify right side
    3,745.76x = 6,453,546.69
  5. Step 5: Solve for x
    x = 6,453,546.69/3,745.76
  6. Step 6: Final answer
    x = 1,722.90

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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.