Home / 3,455.07-5,171.40-2,285.97

Finding the Fourth Proportional to 3,455.07, 5,171.40 and 2,285.97

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Solution

The fourth proportional to 3,455.07, 5,171.40 and 2,285.97 is: 3,421.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.07 : 5,171.40 = 2,285.97 : x
  2. Step 2: Convert to fraction form
    3,455.07/5,171.40 = 2,285.97/x
  3. Step 3: Cross multiply
    3,455.07x = 5,171.40 × 2,285.97
  4. Step 4: Simplify right side
    3,455.07x = 11,821,665.26
  5. Step 5: Solve for x
    x = 11,821,665.26/3,455.07
  6. Step 6: Final answer
    x = 3,421.54

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1.5x scale

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.