Home / 3,469.33-5,203.87-1,521.55

Finding the Fourth Proportional to 3,469.33, 5,203.87 and 1,521.55

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Solution

The fourth proportional to 3,469.33, 5,203.87 and 1,521.55 is: 2,282.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,469.33 : 5,203.87 = 1,521.55 : x
  2. Step 2: Convert to fraction form
    3,469.33/5,203.87 = 1,521.55/x
  3. Step 3: Cross multiply
    3,469.33x = 5,203.87 × 1,521.55
  4. Step 4: Simplify right side
    3,469.33x = 7,917,948.40
  5. Step 5: Solve for x
    x = 7,917,948.40/3,469.33
  6. Step 6: Final answer
    x = 2,282.27

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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.