Home / 3,747.13-5,620.96-1,438.63

Finding the Fourth Proportional to 3,747.13, 5,620.96 and 1,438.63

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Solution

The fourth proportional to 3,747.13, 5,620.96 and 1,438.63 is: 2,158.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747.13 : 5,620.96 = 1,438.63 : x
  2. Step 2: Convert to fraction form
    3,747.13/5,620.96 = 1,438.63/x
  3. Step 3: Cross multiply
    3,747.13x = 5,620.96 × 1,438.63
  4. Step 4: Simplify right side
    3,747.13x = 8,086,453.58
  5. Step 5: Solve for x
    x = 8,086,453.58/3,747.13
  6. Step 6: Final answer
    x = 2,158.04

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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.