Home / 3,257.70-4,883.35-2,912.10

Finding the Fourth Proportional to 3,257.70, 4,883.35 and 2,912.10

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Solution

The fourth proportional to 3,257.70, 4,883.35 and 2,912.10 is: 4,365.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,257.70 : 4,883.35 = 2,912.10 : x
  2. Step 2: Convert to fraction form
    3,257.70/4,883.35 = 2,912.10/x
  3. Step 3: Cross multiply
    3,257.70x = 4,883.35 × 2,912.10
  4. Step 4: Simplify right side
    3,257.70x = 14,220,803.54
  5. Step 5: Solve for x
    x = 14,220,803.54/3,257.70
  6. Step 6: Final answer
    x = 4,365.29

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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.