Home / 3,455.07-5,175.78-2,064.51

Finding the Fourth Proportional to 3,455.07, 5,175.78 and 2,064.51

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Solution

The fourth proportional to 3,455.07, 5,175.78 and 2,064.51 is: 3,092.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.07 : 5,175.78 = 2,064.51 : x
  2. Step 2: Convert to fraction form
    3,455.07/5,175.78 = 2,064.51/x
  3. Step 3: Cross multiply
    3,455.07x = 5,175.78 × 2,064.51
  4. Step 4: Simplify right side
    3,455.07x = 10,685,449.57
  5. Step 5: Solve for x
    x = 10,685,449.57/3,455.07
  6. Step 6: Final answer
    x = 3,092.69

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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.