Home / 3,645.30-5,470.13-1,453.70

Finding the Fourth Proportional to 3,645.30, 5,470.13 and 1,453.70

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Solution

The fourth proportional to 3,645.30, 5,470.13 and 1,453.70 is: 2,181.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,645.30 : 5,470.13 = 1,453.70 : x
  2. Step 2: Convert to fraction form
    3,645.30/5,470.13 = 1,453.70/x
  3. Step 3: Cross multiply
    3,645.30x = 5,470.13 × 1,453.70
  4. Step 4: Simplify right side
    3,645.30x = 7,951,927.98
  5. Step 5: Solve for x
    x = 7,951,927.98/3,645.30
  6. Step 6: Final answer
    x = 2,181.42

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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.