Home / 3,469.28-5,215.42-3,212.46

Finding the Fourth Proportional to 3,469.28, 5,215.42 and 3,212.46

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Solution

The fourth proportional to 3,469.28, 5,215.42 and 3,212.46 is: 4,829.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,469.28 : 5,215.42 = 3,212.46 : x
  2. Step 2: Convert to fraction form
    3,469.28/5,215.42 = 3,212.46/x
  3. Step 3: Cross multiply
    3,469.28x = 5,215.42 × 3,212.46
  4. Step 4: Simplify right side
    3,469.28x = 16,754,332.15
  5. Step 5: Solve for x
    x = 16,754,332.15/3,469.28
  6. Step 6: Final answer
    x = 4,829.35

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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.