Home / 3,213.84-4,432.36-2,469.60

Finding the Fourth Proportional to 3,213.84, 4,432.36 and 2,469.60

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Solution

The fourth proportional to 3,213.84, 4,432.36 and 2,469.60 is: 3,405.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.84 : 4,432.36 = 2,469.60 : x
  2. Step 2: Convert to fraction form
    3,213.84/4,432.36 = 2,469.60/x
  3. Step 3: Cross multiply
    3,213.84x = 4,432.36 × 2,469.60
  4. Step 4: Simplify right side
    3,213.84x = 10,946,156.26
  5. Step 5: Solve for x
    x = 10,946,156.26/3,213.84
  6. Step 6: Final answer
    x = 3,405.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.