Home / 3,473.87-5,205.33-1,911.54

Finding the Fourth Proportional to 3,473.87, 5,205.33 and 1,911.54

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Solution

The fourth proportional to 3,473.87, 5,205.33 and 1,911.54 is: 2,864.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,473.87 : 5,205.33 = 1,911.54 : x
  2. Step 2: Convert to fraction form
    3,473.87/5,205.33 = 1,911.54/x
  3. Step 3: Cross multiply
    3,473.87x = 5,205.33 × 1,911.54
  4. Step 4: Simplify right side
    3,473.87x = 9,950,196.51
  5. Step 5: Solve for x
    x = 9,950,196.51/3,473.87
  6. Step 6: Final answer
    x = 2,864.30

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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.