Home / 3,529.28-5,289.60-2,069.48

Finding the Fourth Proportional to 3,529.28, 5,289.60 and 2,069.48

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Solution

The fourth proportional to 3,529.28, 5,289.60 and 2,069.48 is: 3,101.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.28 : 5,289.60 = 2,069.48 : x
  2. Step 2: Convert to fraction form
    3,529.28/5,289.60 = 2,069.48/x
  3. Step 3: Cross multiply
    3,529.28x = 5,289.60 × 2,069.48
  4. Step 4: Simplify right side
    3,529.28x = 10,946,721.41
  5. Step 5: Solve for x
    x = 10,946,721.41/3,529.28
  6. Step 6: Final answer
    x = 3,101.69

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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.