Home / 3,470.87-5,205.96-1,910.36

Finding the Fourth Proportional to 3,470.87, 5,205.96 and 1,910.36

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Solution

The fourth proportional to 3,470.87, 5,205.96 and 1,910.36 is: 2,865.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,470.87 : 5,205.96 = 1,910.36 : x
  2. Step 2: Convert to fraction form
    3,470.87/5,205.96 = 1,910.36/x
  3. Step 3: Cross multiply
    3,470.87x = 5,205.96 × 1,910.36
  4. Step 4: Simplify right side
    3,470.87x = 9,945,231.72
  5. Step 5: Solve for x
    x = 9,945,231.72/3,470.87
  6. Step 6: Final answer
    x = 2,865.35

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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.